Sadistic murderer Jigsaw is dead, but an autopsy on his body uncovers evidence that his twisted games are far from over. A pair of FBI agents become convinced Jigsaw had an accomplice, who is picking up where he left off. Meanwhile, their investigation leads to the killer's ex-wife, who recounts the events that turned her husband into a monster. Horror sequel, with Costas Mandylor and Athena Karkanis