Bill and Holden consult with Dr. Wendy Carr to begin classifying their subjects. They receive surprising news.

An ominous new dream and a tense outing with Nancy and Abel take a toll on OA. Steve finds his life in turmoil once again.

A woman missing for seven years turns up at a hospital with strange scars on her back but can’t — or won’t — reveal where she’s been.

A shootout between a motorist and the police leads to the discovery of a gruesome Russian mob killing — and a traumatized boy who was an eyewitness to the murder.