Miraculous: Tales of Ladybug & Cat Noir - In modern-day Paris, there's a teen junior high school girl named Marinette Dupain-Cheng and her classmate, Adrien. When evil arises, Marinette transforms into Ladybug while Adrien transforms into Cat Noir. However, neither know each other's secret identities. Together, they fight to protect Paris against the mysterious villain Hawk Moth.
At class picture day, Marinette's classmate Juleka is hesitant about participating, as she believes that she is under a curse where any picture she is in will have her face covered. Wanting to be closer to Adrien in the photo, Chloé has her friend Sabrina lock Juleka in the bathroom while she takes her place in the centre of the photo, beside Adrien. Believing that she'll always stay cursed and unnoticed, Juleka becomes influenced by Hawk Moth and turns into Reflekta, a flamboyant villain who can zap people into making them look exactly like her.
Ladybug and Cat Noir confront a friend of Master Fu. Transformed into Backwarder, she wants to catch up on wasted time by stealing others'!
When Chat Noir seems to understand that Marinette is Ladybug, Marinette panics and makes him believe that she is in love with him to divert his attention. But her parents attend her declaration, and Tom, absolutely delighted, decides to invite Chat Noir for lunch at the Dupain-Cheng's. But when the superhero confesses to them that he is not in love with Marinette, Tom is heartbroken and is akumatized by Hawk Moth. Now Weredad, a huge monstrous man-guard dog, he locks up Marinette in a jail of brambles to protect her from the outside world and heartbreaks. Separated from Tikki, Marinette can not transform! Will Chat Noir manage to make Weredad listen to reason? And will Marinette find Tikki in time to stop her father?
Lila is back in class and seems to be able to get anything she wants from her classmates, but Marinette thinks she's lying and doesn't trust her, since she has the attention of her beloved Adrien
Ladybug and Cat Noir challenge a producer. Now Animaestro, he wants to show the world what an animation producer is made of.
Ladybug challenges her own grandfather. Transformed into Bakerix, he wants to destroy what he deems too modern to get back the Paris of his time.
Ladybug and Cat Noir challenge Luka, who is akumatized into Silencer. Ready to make your voice heard?
Ladybug and Cat Noir have lost their memory and a mysterious villain is prowling around Paris. Will our amnesiac heroes manage to defeat Oblivio and turn him into just a bad memory?
Chloé picks on Aurore after her grades slip due to her job as a weather girl, angering her and allowing Hawk Moth to transform her back into Stormy Weather, but this time with her powers much stronger than before. After defeating her, Marinette works up the courage to deliver some schoolwork Adrien missed due to a photoshoot.
Luka convinces Juleka to offer herself as a model for some new clothes Marinette created, and Alya takes advantage of the situation to invite Adrien to help out, so he can bond with Marinette. Juleka gets a severe case of nerves, and Alya decides to switch to having Marinette and Adrien model the clothes. The two take off their Miraculouses and head to a park for their photo shoot, leaving Juleka to stew in her self-loathing. Hawk Moth corrupts her back into Reflekta, and Mayura further corrupts her frustration into a sentimonster called "Reflekdoll", a giant mech that can shoot lasers that turn its victims into copies of Reflekta. Marinette and Adrien recover each other's Miraculouses and transform into "Lady Noir" and "Mister Bug", and, despite having their roles switch through comedy and error, they manage to defeat Reflekta and Reflekdoll. After returning each other's Miraculouses, Marinette and Adrien let Juleka model Marinette's outfits, much to her delight.
Lila dupes Adrien into spending time with her on the pretext of helping her with homework. When they head to the Agreste mansion, Nathalie confronts them, and Lila claims that she is helping Adrien with homework. After they are done, Lila takes a picture of herself kissing Adrien on the cheek and sends it to all of Adrien's classmates. As she is leaving, Gabriel catches her and berates Nathalie and the Gorilla for allowing her access to Adrien. When Kagami receives the picture, she flies into a jealous rage, allowing Hawk Moth to akumatize her into "Oni-Chan", a villain who follows Lila with a horn on her forehead relentlessly by swapping locations with those who receive her picture message of a horn on their cell phones. During the battle, Lila quietly attempts to offer Oni-Chan help in defeating Ladybug and Cat Noir, impressing Hawk Moth. After defeating Oni-Chan, Adrien warns Lila that he will not tolerate her hurting his loved ones. Gabriel invites Lila to the mansion, and the two strike up a friendship.
After defeating an unseen villain called "Destroyer" alongside Rena Rouge and Carapace, Cat Noir tells Ladybug that she has to tell Chloé that her time as Queen Bee has passed since everyone knows about her being the superheroine, including Hawk Moth. Meanwhile, Hawk Moth wants Chloé to lose her trust in Ladybug to make her join him and decides that Lila can help. After Gabriel told her that Chloé is Adrien's childhood friend, Lila lies to Chloé that she has to do a special dance, so Ladybug can come and recruit her. When Ladybug is about to tell Chloé the bad news, she is distracted by a sentimonster created by Mayura. After Ladybug doesn't show up despite the "dance" Lila told her, Chloé, now aware that Lila lied to her, gets so infuriated that she is vulnerable to akumatization and even refuses to dress up as superheroes with Sabrina, hurting her friend. Hawk Moth sends the akuma to Chloé, but she resists the akumatization and the akuma goes to Sabrina who becomes "Miraculer", a villain capable of stealing the heroes' powers. After Ladybug and Cat Noir defeat the sentimonster, Miraculer steals their powers, forcing them to get help from their allies, including Chloé. When Cat Noir is about to give Chloé the Bee Miraculous, it is stolen by Mayura who the heroes meet for first time. After retrieving the Miraculous, Queen Bee goes after Mayura, but she escapes. After defeating Miraculer, Ladybug finally tells Chloé that she can't be Queen Bee anymore for the safety of hers and her loved ones. However, Chloé begins to slowly lose faith in Ladybug. Despite the failure, Hawk Moth is still determined to make Chloé join him.
Adrien is scheduled to have a wax bust of him created at the Musée Grévin, and invites Nino, Alya, and Marinette to tag along. Marinette is babysitting Manon, so she accompanies the four to the museum. At the Musée Grévin, Alya and Nino leave Marinette and Adrien in a workshop together to try and hook them up and then leave to spend time with each other. Manon is left behind, and is upset when she believes nobody wants to play with her. Hawk Moth corrupts her back into the Puppeteer, this time with the ability to bring wax busts of several past akumatized people to life as her loyal minions. After defeating her, Marinette learns that Adrien likes another girl, much to her disappointment.
Marinette and her friends hang out at the Couffaine residence to listen to them play. Jagged Stone approaches them and explains that he is looking for a new guitarist after he fired his old guitarist Vivica. Suddenly, they are attacked by Vivica, who has been akumatized into "Desperada" and can capture victims in her guitar case with her magic trumpet. The group scatters and Ladybug fights Desperada, but is forced to retreat. Lucky Charm directs her to Master Fu, where she takes the Snake Miraculous and gives it to Adrien. Adrien decides to forego his role as Cat Noir in order to woo Ladybug directly and transforms into the snake superhero "Aspik", but after so many "second chances", his role ends up getting Ladybug hit by Desperada's power over and over again in so many ways. Realizing the error in his role, Adrien suggests to Ladybug that Luka should wield the Snake Miraculous instead. This allows Adrien to go back to being Cat Noir in which he's comfortable in. Luka transforms into the snake superhero "Viperion", and with a couple more "second chances", Ladybug, Cat Noir and Viperion are able to defeat Desperada. Afterwards, Jagged apologizes to Vivica and rehires her.
After Marinette learns more about the Miraculous book she took from Adrien, she begins to suspect his father of being Hawkmoth. Meanwhile, Gabriel, furious over Adrien losing the book, gets akumatized into The Collector.
During an exclusive interview, a reporter trying to trap Ladybug and Cat Noir into confessing feelings for each other is akumatized by Hawk Moth.
When Marinette elects to hang out with her friends on her birthday instead of her grandmother, grandma is akumatized into a candy-gun-wielding baddie.
A mysterious masked fencer gets akumatized into Riposte. Armed with her saber, she wants to get revenge on Adrien, who unintentionally humiliated her. To protect him, Ladybug will have to cross swords with the villain!
Hawk Moth akumatizes Max's best friend and pet robot, Markov, into Robostus, a raging techno-threat with the power to bring inanimate objects to life.
Marinette's plans to ask Adrien out on a romantic walk are foiled when Hawk Moth akumatizes a frustrated child into a giant, lollipop-seeking baby.
After school principal Damocles is akumatized into Dark Owl, he traps Ladybug and Cat Noir in a warehouse and tries to uncover their true identities.
Legendary Parisian ice-cream maker André gets akumatized by Hawk Moth. Now Glaciator, he turns people into ice cream... which starts to melt! Ladybug and Cat Noir cannot get cold feet if they want to stop him!
During a sleepover with Marinette, Alya punishes her twin sisters, Etta and Ella, who get akumatized into monsters that multiply when they eat.
Marinette must rescue Adrien from a group of overzealous fans and from his own bodyguard, who has been akumatized into the hulking Gorizilla.
Hawk Moth akumatizes Juleka's mother into Captain Hardrock, a pirate whose indestructible ship blasts loud music to destroy a music festival.
Sweet and lovely Miss Bustier gets akumatized into Zombizou. Armed with an evil black lipstick, she wants to spread love in the city, by force.
When her crush, Kim, goes on a movie date with someone else, talented swimmer Ondine gets akumatized into Syren, who tries to submerge Paris.
Marinette is cast to play Ladybug and Adrien as Cat Noir for a music video honoring the heroes, but the star gets akumatized into a musical monster.
A rock star is scheduled to visit the bakery owned by Marinette's parents, but his overwhelmed personal assistant is akumatized by Hawk Moth.
Alya's older sister Nora becomes akumatized by Hawk Moth into Anansi, an enormous spider-woman hybrid named after an African folktale.
The supervillain Sandboy uses his powers to turn the nightmares of Parisians into reality, forcing a Tikki-less Marinette to intervene.
A figure skating trainer named Philippe gets akumatized into Frozer; armed with evil ice skates, he wants to turn Paris into a kingdom of ice.
After being humiliated by Gabriel, Chloé's mother Audrey is akumatized into Style Queen, a yellow-flashy supervillain armed with a scepter, and attacks Adrien. Chloé is given the Bee Miraculous, with the command of Pollen the kwami, and transforms into the bee-themed superheroine, Queen Bee.
After transforming into Queen Bee to try and impress her mother, Chloé gets akumatized into Queen Wasp. Will Ladybug and Cat Noir manage to stop this superhero turned supervillain?
When Chloé threatens to leave Paris, Mr. Bourgeois gets akumatized into Malediktator; invested with absolute power, he wants to make his daughter's dreams come true so that she stays with him.A figure skating trainer named Philippe gets akumatized into Frozer; armed with evil ice skates, he wants to turn Paris into a kingdom of ice.
It's the Day of Heroes in Paris and everyone must prepare a good action for others. Bogged by her activities as Ladybug, Marinette did not have time to prepare hers. For fear of disappointing her friends by announcing that she has not prepared anything, Marinette lies to them and finds herself quickly overcome by her own lie. Her nightmare is just beginning... Hawk Moth has akumatized his assistant Nathalie into Catalyst, a supervillain that will allow him to put into action the plan he's been concocting for a long time, that will finally make it possible to defeat Ladybug and Cat Noir.