Medical resident Liv Moore becomes a zombie and loses her ambition until she begins working at the city morgue to gain access to brains that give her sustenance and allow her to maintain her humanity. She also learns that her new diet enables her to experience a victim's memories that can be used to help solve the person's murder.

Liv eats rotting brains to get a lead on the murder of an agoraphobic Internet troll and MMORPG player. Meanwhile, Major continues looking into Jerome's disappearance, and Eva makes the acquaintance of Meat Cute's owner.

Lt. Suzuki dedicates all of the police resources to finding the killer of a rich white girl who died of exposure after an eight-month disappearance. The girl gives birth before she dies, and Liv soon starts having maternal feelings toward the baby and everyone else around her. Meanwhile, Major tries to find out more about Julien, and Liv and Lowell's relationship changes when he eats the wrong brain.

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.

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.

Liv and Clive investigate the murder of Miss Teen Seattle beauty pageant contestant, Laurie-Beth Spano, who went into anaphylactic shock onstage in 1999 and ended up in a coma. At the time, police arrested rival contender Velma Charlet for spiking Laurie-Beth's makeup and she was given a four-year sentence. In present day, Laurie-Beth has passed away and Clive has arrested Velma, for her murder. Velma claims to be innocent and Liv consumes Laurie-Beth's brain in hopes of tracking down the murderer.