Liv's newest corpse is a sociopathic hitman, and she's apathetically shocked to discover that she no longer feels emotions. Meanwhile, Marcy turns up as a full zombie and Ravi hopes that he can restore her in the hopes that it will lead to a cure for Liv.

When someone close to Major dies of an apparent suicide, Liv consumes the brains resulting in a mix of reality and paranoia. Clive questions Major and learns of a secret computer file that may contain important details in the investigation – and finding the killer.

As Liv and Clive try to track down Cameron and determine his connection to Max Rager, Blaine interrogates Major about the missing brains.

Liv consumes the brains of a cantankerous old man to help gain insight into his death. After receiving an anonymous call on the tipster hotline, Liv and Detective Babineax stop by the residence of Byron Thistlewaite, to question the mysterious caller. Meanwhile, Ravi suspects that Major might be experiencing a side effect of the cure, and Liv pays Blaine a surprise visit.

Liv, Detective Babineaux and Ravi investigate the mysterious death of a peewee basketball coach. Liv, consumed with overzealous coach brains, gives Major a much needed pep talk. Meanwhile, things get a little crazy when Blaine and Ravi are forced to work together to recreate the cure. Lastly, Detective Babineaux receives a surprise visit from Suzuki's widow Helen.

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 and Babineaux investigate the death of a highly competitive student; Liv becomes more like the girl she used to be after consuming the victim's brain; Blaine looks to Ravi for help.

Working together on a mission, Liv, Detective Babineaux and Major crash Vaughn’s Super Max Rager party, where Rob Thomas performs a song from his solo career. Meanwhile, Blaine reaches out to Peyton for help, which does not sit well with Ravi.

When Liv and Clive work together to solve the murder of a very charming, but womanizing, preschool teacher, things get interesting when they bring his jealous girlfriend Piper in for questioning. Meanwhile, Peyton is assigned a very interesting case. Lastly, Blaine finds himself in a bad situation.

When Liv consumes the brains of someone from Ravi's past, not only does it have her wanting to sleep with every guy in Seattle, she also begins having some very intimate visions of Ravi. Meanwhile, Major is faced with a huge decision.

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 discover the murder they are investigating was the work of a serial killer. Meanwhile, Major enters dangerous territory.

Liv, on fitness guru brains, and Clive continue investigating a murder with no body and no evidence. Meanwhile, Peyton approaches councilman Zed with a request but doesn’t get the answer she was hoping for. Lastly, Liv surprises Major with a thoughtful gesture just when he needs it the most.

While investigating the murder of Eleanor Barba, a chef at a high-end restaurant, Liv consumes her brain and becomes an unrelenting perfectionist who knows just how to break a person to their very core. Meanwhile, Major is on a mission to find out who is betraying the commander.