Dr. Jason Bull is the charming and cocky founder of successful trial consulting firm Trial Analysis Corporation, where he and his team of experts employ psychology, human intuition and high-tech data to understand jurors, lawyers, witnesses and defendants, and construct effective narratives to help their clients win.
When Bull joins the district attorney in a case against Kara Clayton, who claims she killed her billionaire husband in self-defense, tensions run high when he learns that his on-again, off-again romantic interest, Diana Lindsay, is defending the widow. Also, Chunk makes a decision about his future.
Bull impulsively agrees to have Benny represent Adam Harris, a young man charged with murder for helping his terminally ill girlfriend end her life, a decision which clashes with Benny's religious beliefs.
The DA's office asks Bull to assist them in their prosecution of a fraternity when a pledge accidentally drowns during a hazing incident, but his efforts may be derailed when the students close ranks to stonewall him.
Bull hires an eccentric attorney to represent him when a celebrity sues him after his advice regarding her custody case backfires.
Bull navigates the unfamiliar rules of a Native American tribal court when his college roommate is accused of committing murder on his reservation. Also, Bull meets Marissa’s new boyfriend, Kyle.
Bull travels to a small town on a personal mission to help his high school sweetheart, Allison, sue a local factory that she believes is making residents ill by contaminating the water.
Bull is asked to help a teachers union represent a woman who is being prosecuted by the DA for helping an impoverished student pass an important test, but who may be the scapegoat for a larger cheating scandal.
Bull agrees to help the parents of a former employee sue a drug company when their son commits suicide during a drug trial. However, the task is complicated when the company brings in their own trial scientist, Arti Cander.
As Thanksgiving approaches, Bull releases his team to enjoy the holiday with their families, only to find himself working a case solo when he agrees to help a boxer who is being tried for murder. Also, Chunk makes a major personal decision at his family’s Thanksgiving dinner, while Marissa’s dinner with Kyle is abruptly cancelled when he is mugged.
As Christmas approaches, Bull is amused when he meets a 9-year-old girl who wants to hire him to help her divorce her parents, but he’s shocked when a judge appoints him her temporary guardian. Also, Marissa discovers disturbing information about her boyfriend, Kyle.
Bull represents Jemma Whitbeck, a teenager arrested for robbing a jewelry store with an older man she disappeared with 18 months ago. To persuade the jury she is not guilty, Bull argues that Jemma was actually a victim of his abuse and manipulation and not his willing accomplice.
Bull takes a psychologist friend, Dr. Donovan Benanti, as a client when the therapist is sued for malpractice following a patient’s deadly rampage. As Bull worries a trial loss could set new precedent regarding doctor-patient confidentiality, he aims to convince the jury that clinicians aren’t directly responsible for their patients’ actions.
A widow hires Bull to help represent her when the police decide that she is the most likely suspect in orchestrating her wealthy husband’s death, making it look like a home invasion gone wrong.
Bull is brought on to help the FBI’s case against a hacker whom they believe breached air traffic control at LaGuardia Airport. But when Cable learns that the accused is her friend’s husband, she risks breaking the law—and defying Bull—to try and prove his innocence.
The DA hires Bull to help convict Hazel Diaz, an infamous drug dealer who murdered a police officer but has managed to avoid jail for years on an insanity defense by feigning schizophrenia.
Bull seizes upon the opportunity to get a new trial for an old client when doubt is cast upon evidence that helped convict him of murder 14 years earlier. Also, Danny is reluctant to work with Cable’s replacement.
Bull agrees to help Chunk’s daughter, Anna, when her journalism professor, Chloe, is sued by a dating app developer for trying to steal data for an exposé she’s writing about sexual assault cover-ups. But the stakes are raised when the company alleges that she actually stole proprietary information and intended to sell it to a competitor.
Bull helps a doctor who crossed state lines to purchase a marijuana-derived oil to treat her patients in Virginia, where the oil is illegal. But the case is complicated when Assistant U.S. Attorney Sylvia Banner has the DEA arrest her for possession with intent to distribute.
Bull helps Jim Grayson, a respectable family man who was arrested for changing his identity after being the unwitting getaway driver in a fatal robbery years ago. Bull hopes they can convince the jury that Jim has redeemed himself for his past misdeeds by living an upstanding life for years.
A friend from Bull’s past enlists his services to help convince a jury that a domestic abuse survivor who shot her husband in his sleep is not guilty of murder because she feared for her life and the life of her unborn child.
Bull’s team worries that they’re in over their heads when they take on the seemingly unwinnable case of Elliott Miles, a mute man facing the death penalty if he’s found guilty of murder and arson. Also, Bull is stunned to learn that his ex-wife is remarrying.
Bull’s team is rocked when their client, Elliott Miles, is found guilty of murder, and they must regroup as the trial enters the penalty phase in order to prevent him from being sentenced to death. But when new evidence emerges that could prove Elliott’s innocence, Bull must find a way to present it in court without being found in contempt. Also, Marissa faces hard truths about her relationship with Bull.
Bull returns to work following his heart attack with a new rich client for the firm to represent: an insurance company being sued by a dying mother for denying coverage of her liver transplant.
Bull finds himself on the opposite side of voir dire, when he serves jury duty while simultaneously mounting a defense for a woman on trial for killing her daughter’s murderer.
Bull and the TAC team are at the center of a federal civil suit dividing the city when they consult for the NYPD on the defense of a police officer accused of excessive force in the shooting of an unarmed man. As they aim to select jurors who will focus on the shooting’s circumstances, the social politics surrounding the case create tension within their own ranks.
Business becomes personal for Bull when TAC assists with a civil suit against the bank that funded the terrorists responsible for Cable’s death. Also, Marissa enlists her former homeland security co-worker and international banking cyber-investigator, Taylor Rentzel, to help with the suit.
Bull joins the defense team of a seemingly unwinnable case when a doctor is put on trial for murder after his submission to a DNA database links him to a homicide. While Bull and Benny work on selecting jurors who are predisposed to trust their instincts instead of incontrovertible evidence, Danny and Mackenzie research if their client’s DNA sample may have been contaminated.
Bull and the TAC team help one of their own when Marissa’s restaurateur husband, Greg, is charged with involuntary manslaughter after one of his employees dies in a kitchen fire allegedly caused by negligence. During voire dire, Bull and Benny aim to select jurors who will believe the fire was an accident and not a pattern of irresponsible management.
Bull confronts his guilt over closing his psychiatric practice to start TAC when his former patient, a young woman who is a clinical sociopath, goes on trial for killing her brother. When Bull and Benny’s client has no memory of the crime due to her mental condition, they enter a "Not Guilty by Reason of Insanity" plea and aim to seat jurors that are sympathetic to mental illness.
Dr. Bull and his Trial Analysis Corporation (TAC) team must formulate a new defense strategy when they discover the jury has a subconscious gender bias toward their client, a female pilot accused of negligence after one of her flights crashes.
Bull and his team tackle jury bias against their client, a woman on trial for the murder of a star athlete she very publicly accused of assaulting her. Also, the case brings Benny face-to-face with his former flame, Amanda, a fellow attorney he hasn’t seen since their breakup
When Bull and Trial Analysis Corporation (TAC) help a young woman fight a drug patent lawsuit, they’re forced to travel to Callisto, the small Texan town where Bull suffered the only trial loss of his career.
When the parents of a murdered socialite attempt to hire Bull to help prosecute their daughter's working-class fiancé for the crime, Bull turns down a major payday when he chooses to help defend the fiancé instead. Also, Marissa, Cable and Danny try to convince Chunk to let them investigate the new guy he wants to date.
Bull must find a way to reverse the negative effect his egomaniacal client, a surgeon with a God complex being sued for malpractice, has on the jury. Also, Bull hires Liberty Davis, a previous client’s attorney, when he decides Benny may not be sympathetic enough to the jurors.
As Bull assists a man facing vehicular manslaughter charges, he uncovers a connection between his client’s trial and a corrupt state assemblyman who would greatly benefit from a guilty verdict. Also, Danny and Cable team up to investigate why Marissa is suddenly acting and dressing differently.
Bull’s efforts to assist with his ex-wife Isabella Colón’s defense in a wrongful death lawsuit are hindered by unresolved issues from their marriage and her longstanding rift with her brother, Benny.
Bull confronts his past when he returns to his childhood home to assist in the arson defense of a young man whose contentious ties to the town mirror Bull’s own.
When Bull assists CEO Ginny Bretton, whose company is accused of killing an employee with its self-driving car, he discovers his client is keeping a major secret that could sabotage a trial win
An attorney for one of Bull’s former clients, Liberty Davis, asks him to consult on a couple’s civil suit against a teacher who had a sexual relationship with their son. However, his trial strategy suffers a major setback when the teen switches to the teacher’s side.
The wife of a man who Danny helped imprison for manslaughter detonates a bomb at the TAC offices and takes the team hostage in order to force Bull to prove her husband’s innocence.
When Bull helps a professional eSports video game player accused of throwing a championship game sue his former team manager for defamation, his trial strategy is to prove his client is a compulsive winner who is psychologically incapable of losing on purpose.
When Bull has Benny defend a whistle-blowing army analyst, Lt. Tamsin Dale, who is being court martialed, the case causes trust issues between them after Benny won’t share redacted government secrets with the rest of the team. Also, Marissa forces the office to work without its usual technology to avoid being hacked during the case.
When Bull assists the U.S. Attorney’s Office with a manslaughter trial against a real estate magnate, Andrew Withrow, he finds himself once again opposing Diana Lindsay, his romantic rival. As the case gets underway, Bull’s penchant for winning goes into overdrive when he realizes the defendant is a clinical sociopath determined to use Diana to antagonize him during the proceedings.
When a state governor and the co-owner of a skydiving company die during a jump, Bull helps the co-owner’s brother, Max Hyland, and daughter fight a lawsuit filed by the governor’s widow by trying to find who sabotaged the parachute. Also, Bull and his frequent trial collaborator, Liberty Davis, find themselves on opposing sides in court for the first time.
When Bull fronts the money to help thousands of people bring a class action suit against a corrupt bank, he stands to lose his business if he doesn’t win at trial. Also, Benny hurts the case when he’s distracted by his attraction to a client and his anxiety over a secret he’s keeping from Bull,
Bull and Chunk’s bond is tested when Bull helps the prime suspect in the murder of Chunk’s fashion mentor, Nella Wester, a model-turned-designer who was killed during her own runway show.
When Bull assists Jules Caffrey, a high-powered attorney on trial for his fiancée’s murder, he takes advantage of his client’s penchant for courtroom theatrics by letting him defend himself.
Bull aims to prove temporary insanity at a murder trial for his client, Troy Dickerson, a young man he believes was brainwashed by a cult-like spiritual learning center to kill his father. Also, Danny and Chunk go undercover at the learning center to find the perpetrator responsible for their client’s reprogramming.
Bull makes a deal with top criminal attorney J.P. Nunnelly to defend Benny when he goes to trial for misconduct in a case related to his former career with the District Attorney’s office.
Bull works with J.P. Nunnelly on the first of three cases to repay her for defending his brother, Benny, at trial. However, they clash over their client, a computer cloud company that is battling the F.B.I. to retain privacy over their client files that could help identify the source of a recent eco-terrorist attack.
Bull and the Trial Analysis, Corp. team travel to Miami with J.P. Nunnelly to work on a controversial drug trafficking case in which both the clients’ and the jurors’ lives are in danger.