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.

After an artist is murdered, Liv not only picks up his visions, she picks up traces of his passion and begins to see things in a more inspired way. Meanwhile, Blaine connects with Liv, and Liv tries to connect with Major.

Four teenagers hit Sebastian shortly after he becomes a zombie, and he kills one of them. When the body turns up, Liv eats the brain and tries to find out who is responsible. Meanwhile, Ravi and Peyton plan a trip to San Francisco, but Liv gets a visitor who interrupts their plans.

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 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.

Liv consumes the brain of a recently murdered stripper and uncovers some extremely useful information. Meanwhile, Blaine isn’t quite himself lately, and Ravi makes a startling discovery. Lastly, Major and Ravi are helping Peyton move back in with Liv when she receives a surprising phone call.

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, Clive and Ravi arrive at the scene to investigate a fatal car accident, they begin to suspect foul play was involved. Both starving, Liv and Major consume the brains of the accident victims, a well-meaning father and his angsty teenage daughter. Meanwhile, when Clive is brought in for questioning about a family that was murdered, he’s forced to reveal his past history with them. Lastly, Peyton extends an olive branch to Ravi, and Major hits a road block in his search for Natalie.

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.

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.

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.

While investigating the deaths of Gulliver and Nancy, the dynamic duo of Seattle's winning dance team, Liv and Ravi go undercover as dance partners to size up the other contestants aka the prime suspects. Meanwhile, Peyton confronts Major after she's told that one of his soldiers was out of line during a routine lice check at the school. Lastly, Clive and Bozzio receive a shocking surprise during Lamaze class.

While Major faces a changing of the tide in Seattle, Liv, Clive and Ravi undertake a mission impossible in Atlanta to retrieve the final zombie cure.