To help Clive solve the murder of a lifestyle guru, Liv consumes his brain and takes on his zen approach to life. Ravi's old boss, Katty Kupps, is getting closer to discovering the truth while also getting closer to Ravi. Meanwhile, Blaine and Peyton continue their budding friendship, much to Ravi's dismay. Lastly, Major is struggling a bit at his new job.

When Liv consumes the brains of a dominatrix, her bossy and controlling personality makes everyone a little uncomfortable, especially Clive. Meanwhile, Blaine and Peyton have a heart-to-heart.

When Liv and Clive work together to solve the murder of a very charming, but womanizing, preschool teacher, things get interesting when they bring his jealous girlfriend Piper in for questioning. Meanwhile, Peyton is assigned a very interesting case. Lastly, Blaine finds himself in a bad situation.

Liv shares the brain of a former daredevil with her new boyfriend, and the experience brings them closer. Blaine is back to his old ways. Meanwhile, Ravi makes progress in his new research. Finally, a discovery is made that could put Major in grave danger.

When a Dungeon Master is killed, Liv and Clive discover he was up to more than just playing in his mother's basement. Meanwhile, Blaine's experiment does not go as planned. Lastly, Ravi stumbles across some new information that could prove deadly.

Peyton and Liv find themselves on a surprising wild goose chase. Ravi is terrified when the zombie truth hunters' plans are revealed. Elsewhere, Major finds comfort in an unexpected - and perhaps unwelcome - friend.

Liv and Blaine come to the rescue of one of their own. They consume the brains of a conspiracy theorist and paranoia ensues. Meanwhile, as they continue to search for conspiracy theories that may or may not exist, Liv researches Major's new friend. Finally, Ravi makes a surprising discovery of his own.

Liv, on fitness guru brains, and Clive continue investigating a murder with no body and no evidence. Meanwhile, Peyton approaches councilman Zed with a request but doesn’t get the answer she was hoping for. Lastly, Liv surprises Major with a thoughtful gesture just when he needs it the most.

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.