Will faces unforeseen challenges on his first day at his new job; Katie receives her first assignment; Maddie reconnects with an old acquaintance; and Carlos pays the price for Will's collaboration.
A missing teenage boy with disturbing drawings in his notebook could pose a serious threat to the students at his wealthy school. Atwater wants to make a good impression on a prominent African American police Captain and Olinsky and Michelle find themselves in a difficult situation and turn to Ruzek and Burgess.moreless
Hortense falls for a chef who accompanies the Commodore on his return to Bellacourt Manor. Meanwhile, Frederick is subjected to a psychological evaluation to determine if he's fit for a Senate run; and Hamish tries to blackmail Chair.moreless
The young daughter of a Navy SEAL, who is currently on a top-secret mission, is kidnapped. Meanwhile, Danny's brother is taken captive, and Danny must locate $18.5 million in order to free him.moreless
The team investigates the murder of an alleged rapist. Elsewhere, Rusty catches his mother in a lie and questions her motives.
A date in public backfires on Cat and Vincent. Cat learns something from Gabe that gives her hope in finding a cure for Vincent.
Vincent turns jealous when Cat asks Gabe to join her at the family's annual tribute to her mother. Later Cat learns her mother might be alive. Vincent determines Gabe has a link to the sniper who shot the mayor at a public event.moreless
Gave reveals to Cat that he knows about Muirfield. Vincent is immediately suspicious of Gabe's intentions, but this causes tension with Cat, who wants to trust Gabe. Vincent and J.T. find new living accommodations.
To protect Vincent, Cat must let Tess in on the secrets she's been hiding. While ADA Lowen is skeptical of the people in the department, Evan's opinion of Cat will change completely and steel his determination to find the beast.moreless
Cat and Vincent must deal with the fact that someone is trying to frame the vigilante. Evan thinks he can prove that Cat knows more than she is telling. With Muirfield and the police very close to discovering Vincent' s location, Cat and J.T. must figure out a way to save him. Tess' discovery will change her dynamics with Cat.moreless
New Assistant District Attorney Gabe Lowan shows up at the precinct and immediately starts asking questions to understand why cases involving the vigilante have been mishandled. Cat continues doing everything she can to protect Vincent by any means necessary, and she tracks down a witness and threatens him at a gala masquerade ball. Meanwhile, Vincent is concerned that he might lose control and hurt Cat if they get romantically involved.moreless
After Cat invites Vincent to a dinner at her apartment to meet Heather and things don't go as planned, Tess and Heather stage an intervention to confront Cat about Vincent. Evan is offered a proposition that could impact his cross species investigation. Heather sneaks off with Darius at an event for Joe, leaving Vincent with a tough decision to save Heather's life.moreless
Cat and Vincent wonder if Alex can be trusted to keep the secret of Vincent's past. Evan discovers that Claire, the woman he is dating, has been keeping secrets from him. Heather meets Joe's younger brother, Darius, and develops feelings for him. Vincent tries to win over Cat with romantic gestures for Valentine's Day.moreless
Cat starts to believe that Muirfield might have tracked down Vincent, and despite her promise to avoid seeing him, Cat has to interrupt his romantic cabin getaway with Alex to protect them. Meanwhile, Evan finds a bug in his lab, which makes him start to believe J.T.'s warnings about the dangers of his research.moreless
With Catherine's father's wedding quickly approaching, his fiancee and the bridesmaids try to find Catherine a date for the wedding. Not wanting to be set up, Cat feels pressured to admit that she's seeing somebody and reveals to Vincent that she wishes he could be her date for the wedding. At the wedding, Cat learns some startling news about a research grant that Evan received to study the mutant DNA cells that have been turning up at local crime scenes. After Cat tells Vincent about Evan's theory of how the cells are evolving to become more animal-like and less human, she faces an unexpected detour that could change the course of their relationship. Meanwhile, Tess and Joe cross the line romantically, even though Joe is married.moreless
JT worries that Vincent may be implicated in Cat's murder investigation after she mentions that a local college frat brother was brutally killed. JT examines Vincent, hoping to understand the cause of his blackouts, but Vincent starts to to transform into the beast, forcing JT to tranquilize him. Meanwhile, Evan and his new intern notice an unusual cut on the victim's ankle, which looks very similar to a cut that Evan found on a female cadaver left on campus a year earlier. As Evan tries to piece together more clues from the crime scene, someone kidnaps him, and Cat turns to Vincent to track down Evan and save his life. However, she doesn't realize that she's risking Vincent's life by asking for his help.moreless
After Vincent appears to stand up Catherine for dinner, she wonders if Vincent may have seen her kissing Evan at her birthday party. However, Vincent actually blacked out on his way to Catherine's apartment, and he is now searching for the cause of his mysterious blackouts. A case puts Catherine and Tess in the middle of the high-class world of the SoHo art scene. Vincent is forced to admit that he has feeling for Catherine when he sees her dressed up to attend a gallery opening with Evan. At the same time, Evan makes it clear that he, too, has feelings for Catherine, leaving her to choose between two very different men.moreless
Vincent stops a robber in a convenience store, but his safety is put in jeopardy when security cameras record his image. Things get worse when he photo shows up in the newspaper the following day. Cat and Tess work on the case of a missing woman named Amy who mysteriously disappeared after her fiancée, Dr. Michael Walters, surprised Amy by printing their engagement announcement in the newspaper the morning she disappeared. Evan uses Amy's fingerprints to learn her true identity, and Cat starts to suspect that Amy may have intentionally disappeared after Vincent tells her that that he and JT have an escape plan to abandon their loft in a matter of minutes. Later, Amy's fiancée also goes missing and Joe learns that someone hasn't been honest with his team.moreless
After the mysterious death of a rising young ballerina, Vincent suspects that the understudy, Victoria, may be withholding information about the murder. Cat and Tess learn that the victim tried to file a police report for an assault before she died. Meanwhile, Cat turns to Vincent for help in deciphering a medical paper found in her mother's belongings, and J.T. starts to worry that Cat's visits to the warehouse loft leave Vincent vulnerable to discovery by Muirfield's agents. Catherine pushes Vincent to help her learn more about the Muirfield project, but when Vincent refuses, Cat proceeds on her own, until a virus wipes her computer clean. Tess starts dating again, but quickly finds out that she's unknowingly involved with a married man. Cat's sister, Heather, moves out of Cat's apartment as she becomes more uncomfortable with Cat's quest for more answers about their mother's death.moreless
As a teenager, Catherine "Cat" Chandler witnessed the murder of her mother. Her life was spared when someone--or something--saved her from the attackers. Years later, Cat works an NYPD police officer investigating a case that leads her to the person who saved her life: a doctor named Vincent Keller. Vincent's longtime friend, J.T. Forbes, helps Vincent hide out and protects his dark secret--when enraged, he transforms into a terrifying beast, unable to control his inedible strength. Even after learning the truth, Cat is touched by the man that lives inside the beast and decides to keep her relationship with Vincent a secret from her boss, Joe Bishop, her partner, Tess Vargas, and even from her close friend, medical examiner Evan Marks. Though drawn to each other, Cat and Vincent realize that their attraction is dangerous for both of them.moreless
In order to find out more information about the government's investigation into Nate's murder, Michael must help the FBI take down a Boston mobster.