Plot Model Jennifer Tree (Cuthbert) is drugged in a New York nightclub, and wakes up in an underground prison where she is tormented by a sadistic stalker who plays evil games with her. She discovers that Gary (Gillies) is being held in an adjoining cell, and the pair team up against their unknown enemy.Verdict Torture junkies should remember it’s only four months to Saw IV -- so you can afford to avoid Captivity.