Commander Cross unofficially reopens the Retro girl case, ordering Pilgrim and Walker to lead a covert investigation that may put them in a life-threatening situation. Meanwhile, Los Angeles goes in lockdown mode as gang warfare reaches a fever pitch, pulling the revered Power, SuperShock out of retirement.

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.