Generations of movie fans have thrilled to Saw's blood-curdling story of a serial killer who traps his victims in a sadistic game of survival. Game Changer takes you behind the scenes, as cast and crew reveal the stories behind the film that launched the most successful horror franchise in movie history.

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.

Two men wake up to find themselves shackled in a grimy, abandoned bathroom. As they struggle to comprehend their predicament, they discover a disturbing tape left behind by the sadistic mastermind known as Jigsaw. With a chilling voice and cryptic instructions, Jigsaw informs them that they must partake in a gruesome game in order to secure their freedom.