Liv, Major, and Clive infiltrate a Max Rager party to get to the secret basement and find the missing zombies... including Liv's boyfriend Drake. Meanwhile, Boss sends men after Blaine, who turns to Peyton and Ravi for help.

Dale arrests Major for the Chaos Killer murders, but she doesn't have any forensic evidence to connect him to the crimes. Meanwhile, Major is running out of time before he goes Romero, and Liv is forced to tell someone the truth about zombies to get him out of jail before it's too late.

A college student turns up dead, and Liv discovers that she was a hyper-active overachieve... just like Liv was before she became a zombie. Liv eats the student's brain both to help solve her murder and to take her mind off of Drake's disappearance. Meanwhile, Major and Ravi work out a plan to determine if the zombie cure causes complete memory loss... by turning Vaughn into a zombie and then trying the cure on him.

To help Peyton get the goods on Boss, Liv eats the brain of a dead stripper who knew where a major stash house was. Meanwhile, Ravi breaks into Major's safe, and Blaine loses his memories after taking the zombie cure.

After eating the brain of a dead researcher with connections to Max Rager, Liv goes undercover to find out what Vaughn is up to. Meanwhile, Ravi creates a new cure and gives it to a newly rezombied Blaine, and Liv discovers that Drake is working for Boss.

While Liv and Clive investigate the murder of an overly-positive coffee shop owner, Boss discovers who has been moving in on his business. Meanwhile, the police arrest Drake and bring him in for interrogation.

Ravi and Major find a fresh corpse in the field where the Utopium-tainted bodies are hidden, and the dead man's brain provides Liv with a lead to find them. Meanwhile, Blaine has Major brought in and makes him a deal he can't refuse.

Liv eats the brain of a social media maven after Seattle's three most recent murder victims turn up without any brains... or heads. While she and Clive try to solve the triple-homicide, Liv grows closer to Drake but realizes that he's not being honest. Meanwhile, Ravi comforts Peyton, and Vaughn questions Major's loyalty to Max Rager.

Liv and Clive investigate the poisoning death of a librarian who wrote erotic literature. Meanwhile, Clive and Dale tie Blaine to the Meat Cute Massacre and the Chaos Killer... but Peyton gets him released because of his testimony against Boss.

Liv gets in touch with her inner actor when she finds herself investigating the murder of a genre star in a zombie TV show to track down the killer. Meanwhile, Vaughn decides to test Major's loyalty to Max Rager, and Ravi continues his search for the tainted Utopium.

It's Christmas in Seattle, and Liv is called in on the case of a shop teacher who pursues criminals at night as a costumed vigilante... and turns up dead. Meanwhile, Major makes the acquaintance of a new zombie.

A woman that Clive used to date turns up dead... shot with his police firearm. While Liv and Ravi try to find the real killer, Liv eats the planner's brain and picks up her obsessive stalking habits, which threaten her relaitionship with Major.

A magician at a magician's convention turns up dead, and Liv eats his brain. She soon discovers that he was obsessed with death, and his fascination bleeds into her love life. Meanwhile, Blaine asks Liv for help breaking into Dale's apartment to learn what she knows about the Meat Cute murders, and Ravi breaks up with his girlfriend.

Liv's newest brain is an inveterate gambler and his death may be connected to his habit. Meanwhile, Blaine pays a visit to his grandfather after Angus takes over Blaine's funeral home, and Ravi tries to find a condom strong enough so that Liv and Major can have sex.

A moonlighting kid's basketball coach is shot while working as a security guard. Liv eats his brain and takes on his personality as a take-no-prisoners coach, just in time to deal with Major's depression. Meanwhile, Blaine gives Ravi some of the tainted Utopium so he can develop a cure, and Gilda begins to question Major's commitment to Max Rager's anti-zombie efforts.

Liv works a case of a dead country-and-western-singer and the eaten brain begins to awaken feelings in her about how Major has been treating her. Meanwhile, Peyton crashes at Major and Ravi's place, Clive makes the acquaintance of a female FBI agent, and Major hits rock bottom.

Liv eats the brain of a rich dead housewife to try and solve her murder, and learns that she's connected to Vaughn. Meanwhile, Major meets Gilda, and Peyton returns to Seattle.

While Liv eats the brain of a frat boy to help Clive solve his murder, Major agrees to go with Ravi to a club and observe him on Utopium. Meanwhile, Blaine turns to his father Angus for money so he can pay off the DA to go after a rival drug dealer.

Liv deals with the aftermath of Major's death, Blaine's cure, and Evan's injuries in the explosion. Meanwhile, she consumes the brain of an old man and takes on his worst traits while trying to figure out who murdered him.