A gruesome discovery prompts Darius and Christa to reconstruct Linn Gonzales's journey along a desolate bus route.

Flashbacks reveal what happened the night of the stadium suicides. Ten years later, Caron finds his secret -- and his life's work -- in danger.

Forced off the case, Darius works alone to connect the dots between the Future Foundation, the bodies at the beach and Christa's disappearance.