Liv and Detective Babineax investigate the murder of a hard-partying frat boy whose death shocks everyone. After consuming his brains, Liv attends a fraternity party in an attempt to search for clues, but ends up ruling the beer pong table instead. Still desperate to find the cure, Ravi takes matters into his own hands and brings Major along for the ride. Meanwhile, Blaine meets with Angus, a mysterious person from his past.

Liv unwittingly crosses paths with the most dangerous man in Seattle while investigating the murder of degenerate gambler Harry. Detective Babineaux has a super-fan moment when he and Liv question NBA Hall of Famer Calvin Owens at Harry’s funeral. Meanwhile, Blaine’s father makes a huge discovery, and Ravi delivers some bad news. Lastly, Evan has a big secret to share with Liv, and Major continues to struggle.

Liv, Ravi, and Major get a lead on the Utopium-tainted corpses when the man who may have killed them turns up dead. Meanwhile, Blaine discovers that his father left his money to his maid in case he died due to foul play, and Clive and Dale realize that Major is involved with Blaine.

Liv has discovered there are more zombies living in Seattle than she previously believed. In fact, there’s a private military contractor employing a small zombie army, and that army is preparing for the day humans learn of their existence. Major was exonerated for the crimes of the Chaos Killer, but is still considered a pariah. He manages to land a job with the one and only place that will hire him. Meanwhile, Blaine is accused of lying.

To help Clive solve the murder of a lifestyle guru, Liv consumes his brain and takes on his zen approach to life. Ravi's old boss, Katty Kupps, is getting closer to discovering the truth while also getting closer to Ravi. Meanwhile, Blaine and Peyton continue their budding friendship, much to Ravi's dismay. Lastly, Major is struggling a bit at his new job.

Liv shares the brain of a former daredevil with her new boyfriend, and the experience brings them closer. Blaine is back to his old ways. Meanwhile, Ravi makes progress in his new research. Finally, a discovery is made that could put Major in grave danger.

While investigating the murder of a Seattle Seahawk superfan, Liv has a surprising vision. Meanwhile, Major is assigned the task of mentoring young, homeless zombies, and Ravi is still carrying a torch for Peyton. Lastly, Blaine is dealing with a threat looming from his past.

It’s a real-life game of clue for Liv after she eats the brains of a despicable dowager and must determine which one of her disgruntled servants killed her. Clive and Bozzio are struggling to maintain a healthy relationship. Meanwhile, circumstances place Major and Liv in opposition to one another.

Liv and Clive investigate the murder of a pretentious theater actor. Meanwhile, Ravi makes a huge sacrifice for Peyton. Lastly, Blaine makes a startling discovery.

After consuming the brain of a bachelor playboy, Liv heads to a club to meet up with Clive and Ravi. Meanwhile, Major is assigned an enormous task. Lastly, Clive is still struggling with the arrangement he’s made with Bozzio.

Liv consumes the brain of a murdered live-action role-playing knight in order to solve his murder; Peyton uncovers a truth about Liv; Major embarks on a mission.

When Liv consumes the brain of a vice detective who doesn't play by the rules, her newfound recklessness gets her into trouble. Meanwhile, Major is coming really close to discovering Liv's secret.

Liv does Clive a solid and agrees to consume germaphobe brain during flu season. Ravi continues his role as surrogate father to Isobel. Major finally gets to the bottom of things, and Chase continues to spiral out of control. Lastly, Peyton struggles with a very important decision.

While Major whisks Liv out of Seattle for her own protection, Ravi eats the brains of a narcissist to help Clive investigate Brother Love for murder.

The outside world further isolates Seattle while Peyton, Ravi, Clive and Major race to save Liv from execution for her work as Renegade.