Three people are kidnapped across California.
Sophie is locked inside a derelict warehouse.
Henry is abandoned in remote woodland.
Elizabeth is trapped inside a sinking ship.
They are alive, but don't have much time to live...
Only one man can save them: unique investigator Colter Shaw. He's an expert tracker with a forensic mind, but this will be a test even for him.
Because this killer isn't following the rules; he's changing them. One murder at a time...