Serial killer Byron May is back on the streets and secretly living inside someone else's home. With his new skills resembling the currently incarcerated Eastside Ripper, suspicions abound as to whether the wrong man might be in prison.

The team races to find Nancy Albright, a drug addict searching for a new type of high. Back at the Command Center, the team is also forced to come to terms with new revelations about once-trusted individuals.