New evidence suggests the main suspect and Retro Girl's murder may be a rare power gone rogue. With contempt between the Powers Division and the FBI escalating to a breaking point, Walker attempts to gain Agent Lange's trust.

The origins of SuperShock’s complicated and mysterious relationship with Retro Girl are revealed, as Calista, Sgt. Martinez and Zora team up to fill the Powers void left in her absence. The disgraced Senator Brown’s body is discovered, catapulting newly reinstated detectives, Walker and Pilgrim into the investigation.