Saw I (2004) (http://adfoc.us/83532497746983 )

If you want the full movie, click on the link next to the title or click on this link (http://adfoc.us/83532497746983 ) The film follows two people, one named Adam (Whannell) and the other named Lawrence (Elwes), who suddenly wake up and find themselves trapped in an abandoned underground bathroom, chained to the wall. They find cassette tapes on which the killer tells each of them to kill the other to survive. Adam and Lawrence try to escape from the bathroom, but they discover that they are chained in a way that prevents them from doing so. They also discover that they are not the only victims, and that there is the body of another man in the bathroom. Meanwhile, the police are trying to investigate the incident, but they are having trouble finding the bathroom, as it is located in an unknown location. Adam and Lawrence realize that they must work together if they want to survive. In the end, Adam is able to free himself, but he refuses to kill Lawrence. Lawrence dies, but Adam survives.