After a scientist is murdered, Liv and Babineaux are surprised to learn where she worked; Ravi gets a visit from Blaine at the morgue; Liv finds out something about Drake; Major is confronted by Vaughn du Clarke.

Liv has discovered there are more zombies living in Seattle than she previously believed. In fact, there’s a private military contractor employing a small zombie army, and that army is preparing for the day humans learn of their existence. Major was exonerated for the crimes of the Chaos Killer, but is still considered a pariah. He manages to land a job with the one and only place that will hire him. Meanwhile, Blaine is accused of lying.

Liv uncovers the shocking truth about the virus and the far-reaching consequences of the vaccine. Majors exams his future as a human. Blaine makes a business proposal.

While investigating the murder of a Seattle Seahawk superfan, Liv has a surprising vision. Meanwhile, Major is assigned the task of mentoring young, homeless zombies, and Ravi is still carrying a torch for Peyton. Lastly, Blaine is dealing with a threat looming from his past.

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

While investigating a murder case with no body and no brain to eat, the only evidence Liv and Clive have to work with is a grainy video and a little bit of blood found at the crime scene. Meanwhile, Blaine is up to his old tricks.