After being turned into a zombie, medical resident Liv loses her drive and ambition -- and breaks up with her fiance out of fear of infecting him; Liv gains access to brains at the city morgue, but each brain results in unexpected side effects.

Liv, Clive and Ravi investigate a well-known painter's mysterious death; Liv is overcome with passion after eating the artist's brain and tries to seduce Major; Blaine visits the morgue.

As Liv and Detective Babineaux investigate a hit and run, they learn the victim was the killer in a case Peyton is prosecuting; Liv makes a discovery about someone from her past; Major moves on.

Clive refuses Liv's help when one of his former criminal contacts is murdered; Ravi and Liv end up in a precarious situation after they start their own investigation; Major looks for a roommate.

Liv must eat the brain of her murdered sorority sister in order to gain insight about the crime; one suspect, a professional snowboarder (Ryan Hansen), appears to have a secret; Major comes to Clive with his concerns about a missing boy.

Liv inherits agoraphobia -- and computer gaming skills -- after eating a hacker's brain; Blaine gets acquainted with someone Liv knows.