In the movie Saw, the main character is a twisted, masked madman known as Jigsaw. He has created a game of survival for his victims, all of whom he sees as morally corrupt and in need of learning the value of life.
Jigsaw abducts his victims and puts them in elaborate, deadly traps that force them to face their own mortality and make difficult choices in order to survive. Alongside his accomplices, Jigsaw watches his victims struggle to make the right decisions as they desperately try to escape his sadistic game.
One of Jigsaw's most notorious traps is the "reverse bear trap", which is attached to the victim's head and will kill them in deadly, gruesome fashion if they do not find the key to unlock it before the timer runs out.
As the movie progresses, we learn more about Jigsaw's past and motivations, as well as the seemingly unrelated lives of his victims. The tension builds as the victims frantically search for a way out, all the while being watched by Jigsaw and his accomplices.
Saw is a violent and disturbing horror movie that keeps audiences on the edge of their seats until the very end. It spawned numerous sequels and imitators, cementing its place in horror movie history.