Renee is still having trouble getting anyone to believe her about the Atavus. She meets a man who tells her that people who live underground are disappearing, due to the Atavus. They find a chamber used to make hybrids.

Renee breaks a serial killer who also happens to be a pathologist out of prison to help her determine a way to kill the Atavus. Juliet Street has difficulty agreeing with Renee's plan.