Liv and Clive investigate a murder case in which there are no brains to eat. The only evidence they have to work with is a grainy video and a little bit of blood found at the crime scene. Blaine gets up to some of his old tricks.

Liv continues to investigate a murder with no body and no evidence. Meanwhile, Peyton doesn't get the answer she was hoping for, and Liv surprises Major with a thoughtful gesture.

Liv and Ravi go undercover as dance partners. Meanwhile, Peyton confronts Major about one of his soldiers. Lastly, Clive and Bozzio receive a shocking surprise.

Liv, Clive and Ravi investigate the suspicious death of the head of a successful traffic app company. Meanwhile, Peyton focuses on positive zombie PR in the city.

While investigating the death of an independently wealthy 19-year-old, Liv attempts to cheer up Ravi. Plus, Clive takes a nasty fall and things go from bad to worse for Blaine as a journalist reveal hidden secrets from the past.

After consuming the brain of the ultimate matchmaker, Liv is determined to find the perfect match for Major; Blaine tries to protect himself; Don E. considers an interesting offer.

While investigating the murder of a chef at a high-end restaurant, Liv consumes her brain and becomes an unrelenting perfectionist; Major works to find out who is betraying the commander.

Liv and Ravi each consume the brain of a very dislikable car salesman and inherit his competitive nature.

Liv and Clive investigate the murder of a Miss Teen Seattle beauty pageant contestant.

While investigating the murder of private eye Frank Chisel, who was stabbed in the head with an ice pick, Liv consumes Chisel's brain in hopes of breaking down how this gruesome murder took place.

Liv and Clive investigate the death of a drag queen, which leads Liv to eat and shift into the queen's brain; Ravi reaches out to Major with an interesting request.

Liv makes a devastating discovery.

The human/zombie war finally comes to a head.