Boston detective Jane Rizzoli and medical examiner Maura Isles are complete opposites and good friends who solve crimes and bust some of Boston’s most notorious criminals. Jane and Maura often find themselves working together as both use their brilliant minds and expertise to figure Boston’s most complex cases.
Detective Jane Rizzoli and medical examiner Maura Isles investigate the grisly murder of a wealthy couple. The M.O. matches the work of a serial killer known as the Surgeon, who once nearly murdered Jane. Now that the Surgeon is behind bars, it seems one of his proteges is picking up where he left off.
Tensions are high as the squad investigates a possible copycat of the legendary Boston Strangler… or could it be the Boston Strangler himself? Meanwhile, Jane butts heads with her new boss, Lt. Grant, who just happens to be from the same neighborhood where Jane grew up. And Maura gets into trouble with her habit of diagnosing everyone – including her date.
Jane and Maura investigate the mysterious death of a young boy whose family is from Cape Verde. It appears at first that he may have died during an attempted exorcism, and it may take a message from beyond the grave for Jane to pinpoint exactly what happened. Jane is distracted from the case when her mother sets her up on a surprise date.
After a student is gunned down in broad daylight, the investigation reveals she had more than a few secrets. Meanwhile, Jane’s mother Angela gets into a spat with her father over the car.
The eldest brother in a Boston “Brahmin” family (direct descendents of passengers on the Mayflower) is found in the harbor dead after an apparent sailing accident. But Maura’s close connection with the family and Jane’s resentment over the wealth they display threaten to derail their investigation. Angela, meanwhile, tries her hand at selling a Polynesian health drink.
Jane and Maura investigate what appears to be a hate crime, the brutal assault and murder of a woman leaving a lesbian bar. With Jane going undercover, they hope to lure the killer out in the open. Off the job, Maura hooks Jane up with a handsome yoga instructor.
The Boston Marathon turns into a crime scene when a shooter begins targeting runners. Racing to catch the killer before another shooting, Jane and Maura must conduct their investigation in secret so as not to cause a mass panic.
Jane was once abducted and neared killed by imprisoned serial killer Charles Hoyt. Now a body found in a park has all the indications of being his work. Jane must do her best to keep her fear of this man in check while Maura attempts to get inside the mind of the killer.
Jane's investigation of a murdered identity thief leads her to Boston's Irish-mob past. After startling new information, the victim leads Maura on a personal quest. On the home front, Frankie Jr. attempts to help his father find some new clients for his plumbing business.
After an undercover cop working a narcotics-smuggling sting is shot dead, the killers next turn their sights on Boston homicide headquarters, leaving Jane, Maura and Frankie Jr. trapped in a fight for survival on their home turf. It's a situation that will force Maura to challenge herself like never before. On the home front, Jane's parents are excited that their oldest child, Tommy, is being released after serving time in prison.
Jane and Maura’s friendship suffers following the shooting of Maura’s biological father, gangster Paddy Doyle. Jane also finds herself in the middle of an Internal Affairs investigation. And her relationship with Agent Dean is exposed.
Tensions continue to mount between Jane and Maura, causing those close to them to be caught in the middle. But they must put aside their differences when they investigate the case of a college student who died in a tunnel. Meanwhile, Frankie Sr. returns with news that upsets Angela.
When Maura meets a new guy named Dennis in a very unusual way, he opens up a different side of her. And Jane is filled with mixed emotions after someone from her past returns.
Young female professionals dressed as dolls are turning up dead on the public transit system, and Jane and Maura must piece together the clues. Angela implements new ideas for the café. And Jane learns more about how Casey was injured.
Jane looks for a way for Maura to meet her biological mother, Dr. Hope Martin. Angela gets involved in a political campaign. And a nun from Jane and Frankie Jr.’s past returns.
When a rich financier is found stuffed in a trashcan wearing a cloak and mask, Jane and Maura must figure out what happened. Meanwhile, Maura makes a deeper connection with her biological mother, Dr. Hope Martin, and half-sister, who still doesn’t know Maura is related to them.
The ladies probe the killing of a husband and wife who were psychiatrists. Soon, an attendee of a medical-examiners seminar offers to help Jane and Maura in the case. Elsewhere, the Rizzoli family realize they may have connections to a pregnant stranger.
A bride is killed right before she walks down the aisle, and Jane and Maura must figure out if the groom’s ex-girlfriend is a suspect, or if there’s a deeper connection to the bride’s European roots. On the homefront, Jane has a new neighbor who captures the attention of Angela, Frankie and Frost.
A boy band star returns to his roots for a show and winds up murdered. Jane and Frankie, who grew up with the victim, work hard to solve the case. Meanwhile, Jane and Maura must decide if it’s time to tell Angela the truth about Lydia’s pregnancy just as Angela prepares to throw her a baby shower.
When a statue breaks open to reveal a dead woman inside, Jane and Maura must find the killer quickly as the body count begins to rise. Back at headquarters, a new homicide detective is named to the squad. Meanwhile, Dennis Rockmond returns to Boston after disappearing on Maura and tries to woo her back. Lydia goes into labor.
When a man having breakfast in the Division 1 Café dies from poisoning, Jane and the team must quickly find the source as Angela and the irascible Stanley both come under scrutiny. Meanwhile, Tommy wants proof that he’s the biological father of Lydia’s baby as she returns to take the baby back. And Detective Korsak is reunited with one of his ex-wives.
A famous young writer of memoirs is found dead in an apparent suicide, but Jane and Maura soon discover there’s more to the story. Meanwhile, Frost becomes obsessed with an old case involving a young African American student as his final appeal is denied. And Jane discovers Angela is involved in a secret romance.
The virtual world and the real world collide when a microbrewer is killed. Angela tries to move on from a failed romance by seeing someone new. And Jane and the team begin to mentor underprivileged teenagers, a move that ends in near disaster.
When a former college football player is stabbed inside a carwash during a fundraiser for his alma mater, Jane, Maura and the team must piece together clues to track down the killer. Meanwhile, Frost's mother visits Boston with some unexpected news. And Lt. Col. Casey Jones bumps into Jane and is forced to reveal some startling news of his own.
After taking a bullet during a siege of the precinct, Jane Rizzoli is honored as a hero at a public event. The celebration is short-lived, however, when disaster strikes. The ensuing case reunites Jane with an old high-school flame, Sgt. Major Casey Jones, who may be just the person she needs to heal her emotional scars.
Jane and Maura's relaxing day at an outdoor spa is anything but when they discover the murder of a pregnant woman serving as a surrogate mother. Soon the hunt is on to find the baby's biological parents.
Shortly after sailors invade the streets of Boston for Fleet Week, a young girl is found dead. Frost's father, a Navy Admiral, comes to town, causing tension with his son. And, Maura goes on a date with Angela's mechanic.
When the daughter of a police officer is kidnapped in front of her younger brother, Jane and the team race to find the girl, fearing her abduction is connected to another case in which a young girl turned up dead only hours earlier.
Jane and Maura investigate after the coach of the Boston Pilgrims baseball team is found dead in the locker room. The death comes as a star player and the team owners battle for control of the team. Meanwhile, Jane's brother Tommy returns home after being released from jail.
A Revolutionary War re-enactment becomes the scene of a real killing when a soldier turns up dead. Maura's extensive knowledge of American history becomes important as she and Jane try to solve the case. And Maura's brilliant mother, Constance Isles, comes to Boston for an art exhibit.
Jane and the team investigate what appears to be a modern-day witch hunt in Salem. Meanwhile, Frankie's old girlfriend returns to town with a surprise, and Jane has no problem speaking her mind about the situation.
After a young dockworker is killed, evidence surfaces that the mob has connections to dock operations, which brings up questions regarding involvement by Maura's biological father. Jane does everything she can to get out of sensitivity training. Meanwhile, Maura and Tommy start spending time together.
When a prison inmate is murdered, a serial killer claims to have information useful to the case. Frankie readies himself for the detective exam.
When a community activist is gunned down, one brave witness comes forward to testify against a well-known gang member who is thought to have murdered 15 people. While the detectives work diligently to put him away, television host Bill O’Reilly comes to town for a book signing and criticizes the police department on-air.
Boston Homicide teams up with the FBI after a bank manager is shot during a robbery. Jane’s brother Tommy may be facing more trouble just as his relationship with Maura begins to grow.
Jane attends her high school reunion and brings Maura along for the ride, but the fun is cut short when one of her old classmates turns up dead on the football field. Jane must focus on the past when she realizes everyone in her class is a potential suspect. Meanwhile, Korsak gets a visit from ex-wife Melody Patterson, who hopes he’ll invest in her new business.
The world of competitive dance turns deadly when the mother of a star performer is stabbed to death at a competition. Jane and the team search for clues, but they soon realize something is off about the woman’s history. Korsak has his hands full when his stepson is accused of shooting a cop.
When a warehouse fire kills a firefighter, Jane and Maura must investigate whether it was arson or an accident. But the investigation hits a snag when a hit-and-run leaves someone in the hospital. FBI Agent Gabriel Dean returns, hoping to rekindle his relationship with Jane.
A community parade turns deadly; Maura does not seem like herself; Lt. Col. Casey Jones reveals some shocking news.
Jane is unhappy when a former colleague returns as the new lieutenant of the drug unit; a tip from Cailin causes Maura to investigate Hope.
A body is discovered in the church at TJ's christening; Jane almost abuses her power to protect Tommy; Lydia's fiancé threatens to take custody of TJ; budget cuts cause tension at the department.
Maura becomes a murder suspect when her date is found dead and she can not remember their evening together; Jane struggles to protect her best friend while doing her job.
Maura gains insight into her father; Korsak opens up about Cavanaugh's tragic past; Maura and Jane unravel a shocking secret about Paddy and Hope.
A viral video of Jane jeopardizes her career and reputation; the squad tries to solve a murder case involving a conspiracy theorist.
A popular high-school teacher is killed in a hit and run; Jane is preoccupied with Lt. Martinez's apparent favoritism toward his own drug unit.
Frankie Jr. is brought in to help with a murder case involving a youth hockey league; Cailin asks to stay with Maura; Maura has trouble living with a teenager.
Jane and Maura are asked to present the case of a serial killer at a symposium for law enforcement; Jane and Maura make a discovery.
The squad investigates when an amateur drag race turns deadly; Jane turns to Lt. Martinez for help and he seems to be thwarting her investigation.
A mock trial advisor dies during a competition; Jane is concerned that Angela may be hiding financial issues; Tommy hires a lawyer to settle his claim against the Storrow Center.
The squad tries to solve a homicide case that is muddied by conflicting evidence; Maura must decide if she is going to take in her recently paroled grandfather; Jane and Casey must decide between their careers and their relationship.
A kidnapper dressed as a clown re-emerges after 20 years; Jane's relationship with Casey grows more serious; Maura inadvertently gets in the middle of another relationship.
A musician is stabbed in a bar; the squad realizes that the stabbing victim had something to hide; Jane's father returns with shocking news.
When a food truck chef dies suddenly, all signs point to poisoning; Tommy announces some big plans; Maura's birth mother tries to make amends with her daughter.
A senator's daughter is found murdered; Tommy begins to slip back into old habits; Jane reveals some shocking news.
Jane works to solve the murder of a jogger; Jane tries to hide her pregnancy from her mother; Maura and Frankie face the aftermath of their kiss.
A woman walks into the station and confesses to killing someone; the team tries to unravel a bizarre case while dealing with the loss of a colleague.
A killer uses online ads to find victims; Jane discovers that it will be difficult to keep her pregnancy quiet.
A man is found murdered inside his doomsday fallout shelter; Jane finds out that Korsak is considering retirement; Frankie keeps a secret.
The team investigates the murder of a wealthy woman with terminal cancer; Maura meets a man while teaching a class.
While Maura is away at a convention, Jane needs Susie's help to solve a murder; Korsak is forced to deal with painful unfinished business.
Jane and Maura are brought into the world of Keltic writings by the murder of a rare bookseller; Angela's relationship with Cavanaugh changes and Maura prepares Jane to meet her new man.
The team tries to find a witness to the contract killing of a woman outside of a nightclub; Jane puts herself in the line of fire.
The team's skills are tested when the mummified remains of a woman are found; Jane tries to recover from a devastating loss.
The team helps Korsak investigate a cold case; Jane refuses to believe that she is not ready to go back on duty.
Jane and Maura find a man who died in a bathtub full of ice; while trying to stay cool during a heatwave, Angela discovers a spicy tea that brings unexpected romantic consequences.
A notable county prosecutor is arrested for murder; when Angela hears that Maura is planning to meet Jack's daughter, she sets out to educate Maura about the interests of children today.
After Jane jumps from a bridge to save a prosecutor suspected of his murdering his mistress, Maura is terrified that she has lost her best friend. The squad must now renew the search to find the real killer. Meanwhile, Angela enlists Frankie's help as she applies to new jobs.
When a severed human foot washes up on shore, the squad is called in to identify the victim and track down the murderer as more body parts are found. After an unsuccessful job hunt, Angela finds she enjoys helping out Korsak at the Dirty Robber.
The squad is forced to join forces with an over-eager private investigator when a successful clothing designer is found poisoned and his wife reported missing. Jane notices Angela is spending too much money and asks Maura to teach her mom how to handle her finances.
After a man is found bludgeoned to death on the side of the road, Jane and the squad team up with another detective who believes he is hunting the same roadside killer. Meanwhile, Maura discovers she has had her identity stolen and recruits Angela to help track down the culprit.
The squad works overtime hunting down a serial killer sniper. Maura befriends a witness to the crime, who happens to suffer from a mental condition that has him believing he is a wolf.
When a woman finds her husband has been murdered, the ensuing investigation reveals that the victim may have been living a double life.
A woman is murdered in a grisly scene reminiscent of a horror film, prompting the team to investigate a chilling game in which players pay to experience sheer terror.
When a gun battle rages in a quiet neighborhood, Jane and Maura are thrown into the secretive world of an Eastern European gang; Maura comes down with a fever.
The team works to solve a murder with explosive consequences; Ron offers to take Angela on a romantic getaway.
In the aftermath of a shooting, the team must work to find Alice Sands and bring her to justice before she destroys Jane's life.
The entire Boston Police Department searches for Alice Sands; the team investigates a suspicious car crash; a new romance blossoms.
The team works on behalf of the dead - and the undead - after a murder at a zombie convention. Angela decides to pursue her GED after revealing that she never graduated from high school.
When a mailman is killed, the team must work with a brash, eccentric postal inspector, who believes the mailman's murder is part of a larger conspiracy. Maura continues to struggle with the ramifications of her injury, and Angela intervenes when she discovers Korsak has gotten Kiki a terrible birthday present.
When a wealthy woman is found dead at the bottom of her stairs, we realize that this was no ordinary slip-and-fall accident. The team is pressed into a game of cat and mouse with a clever killer determined to get away with the perfect crime. Plus, when Maura decides to undergo minor surgery, the surprising part of her healing will be reconnecting with Hope.
Jane and Maura must unravel an old ghost story to solve a double murder at a hospital; Angela convinces Frankie to stop avoiding Kent.
When a bicyclist appears to spontaneously combust, Maura proves his death is actually a murder; Jane is invited to teach a class of FBI recruits at Quantico.
In the series' 100th episode, Jane goes undercover in a county jail to draw out the killer of a brutal murder.
On the morning that Jane is about to testify in a murder trial, she discovers that a key piece of evidence has been stolen. BPD has three days to re-solve the crime, or else the murderer may go free. When Frankie discovers Nina is a fan of magic, he decides to learn a few tricks to impress her.
When a forensic accountant is gunned down, Jane and Maura are drawn into a sophisticated Ponzi scheme; Jane makes a life-changing career decision.
A mortician's body is found in one of his own funeral home's caskets; Tommy visits with his son TJ; Jane's loved ones react to her news.
Jane and Maura sharpen focus on two murders, one from the past and one from the present, that have a personal impact on Korsak. Meanwhile, an unforeseen visit could lead to romance for Jane and Maura receives unsettling feedback on her novel.