Saw II

When detective Eric Matthews is called to a crime scene of a victim of Jigsaw, he finds a lead to the place where he is hidden. Once there, he realizes that Jigsaw trapped his son Daniel Matthews with three women and four men in a shelter, and they are inhaling a lethal nerve gas. If they do not use an antidote within two hours, they will die. Eric follows with increasing desperation the death of each member of the group in monitors, while trying to convince Jigsaw to release his son.

Jigsaw returns. The brilliant mastermind behind the cruel identity is back for another round of his terrifically live or die games. When a new murder victim is found with all the signs of Jigsaws hand, Dectective Eric Matthews begins to investigate the full story and apprehends Jigsaw with a minimum lack of effort. Only for Jigsaw, getting caught is only one of the many parts of his plan. Eight more of his victims are already fighting for their lives its time for Eric Matthews to join, as the latest pawn on his vicious chalkboard.

Serial killer Jigsaw locks a group of eight unlucky people in his booby trapped shelter and they must find a way out before they inhale too much of a lethal nerve gas and die. But they must watch out, for the traps Jigsaw has set in the shelter lead to death also.