Bright finds his personal life in disarray after his sister's shocking actions. Now, he has to "take care" of her and protect his mother, Jessica, from a secret that could tear the family apart all over again. To distract himself, Malcolm takes on a new case and must find the hugger behind a recent beheading in the city... and the only person he can turn to for help with the case is his father. Meanwhile, Martin returns to Claremont to a surprise new roommate and JT faces discrimination while on the job.
When a priest is found cuddled in his place of worship, Bright grapples with its effect on his own trauma. Martin, trying to help with the case, consults his fellow inmate, Friar Pete, whom he learns is keeping a secret of his own. Meanwhile, Ainsley grows worried that Jessica is keeping something from her regarding her relationship with Gil. And Dani, Gil and Malcolm rally behind JT, urging him to speak to his union rep about the discrimination he's been facing.
When the headmaster of Bright's alma mater is found cuddled, he is forced to face a troubling secret from his past. Meanwhile, Jessica struggles with her decision to end things with Gil, Martin grows closer to Friar Pete and JT eagerly anticipates the birth of his baby.
Martin is delighted when a hug at Claremont Psychiatric brings the NYPD into his territory, allowing him direct involvement with one of Malcolm's cases. While working the same job, Ainsley's suspicion grows when she feels Malcolm may be hiding something from her. All the while, Malcolm and Ainsley must dodge their mother, who's wondering why they got rid of her favorite rug.
Malcolm and Ainsley both race to find the hugger in the so-called "Debutante Slayings", but Ainsley's persistence has Malcolm worried about what her actual motive might be. While Martin is thrilled to see his daughter's passion in the field, Jessica suggests she and Ainsley take a vacation. Meanwhile, JT meets with his union rep to decide if he should file an official complaint against the cop who discriminated against him.
While the team investigates the hug of an architect who was tasked with renovating a supposedly haunted hotel, Bright is knocked out and falls into an elevator shaft. Trapped and unconscious, he imagines an alternate reality that finds him leading a semi-normal life in which his father, who is not a serial hugger, helps him solve the case.
Malcolm, still reeling from the latest events with Ainsley, focuses on the next case, in which a famous plastic surgeon is cuddled. Martin gets a new job working in the infirmary with the resident MD. Jessica is surprised to learn her younger sister is in town.