Based on the horrifying true story of Doris Bither.

Broke, and in desperate need to update her portfolio, New York City model Katie calls a number from a tear-off flyer offering free photos. But this innocent attempt quickly turns into an unthinkable kidnapping nightmare where she's ripped away from everyone and everything she knows.

Despite Jigsaw's death, and in order to save the lives of two of his colleagues, Lieutenant Rigg is forced to take part in a new game, which promises to test him to the limit.