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.

Love is in the air after Liv eats the brains of a hopeless romantic, and she can’t stop herself from meddling in Clive’s relationship. Major and Liv continue to try to work through their differences. Meanwhile, Blaine is approached with an interesting offer.

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

While tracking the murder of a hockey player, Liv stumbles onto Chase Graves’ evil plan. Meanwhile, Major is forced to make a horrible decision. Lastly, Peyton tries to contain a volatile situation.

Liv and Clive investigate the murder of a pretentious theater actor. Meanwhile, Ravi makes a huge sacrifice for Peyton. Lastly, Blaine makes a startling discovery.

After consuming the brain of a bachelor playboy, Liv heads to a club to meet up with Clive and Ravi. Meanwhile, Major is assigned an enormous task. Lastly, Clive is still struggling with the arrangement he’s made with Bozzio.

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.

There's a zombie serial killer on the loose and new Seattle is on lockdown. Liv is trapped in the morgue on white rapper brain and Clive and Ravi are playing Dungeons & Dragons. Meanwhile, Blaine concocts his most sinister plan to date. Lastly, Major is on the hunt for the killer.

When Liv consumes the brain of a vice detective who doesn't play by the rules, her newfound recklessness gets her into trouble. Meanwhile, Major is coming really close to discovering Liv's secret.

Liv does Clive a solid and agrees to consume germaphobe brain during flu season. Ravi continues his role as surrogate father to Isobel. Major finally gets to the bottom of things, and Chase continues to spiral out of control. Lastly, Peyton struggles with a very important decision.

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.

The outside world further isolates Seattle while Peyton, Ravi, Clive and Major race to save Liv from execution for her work as Renegade.