Starring Leigh Whannel and Cary Elwes, one a photographer and the other an oncologist who found them self unconsciously trapped by a sadistic serial killer nicknamed 'Jigsaw' and must complete his perverse puzzle to survive.
It is all, of course, total nonsense. But for horror fans it's good nonsense, in the way that a creepy urban legend told by flashlight in a tent at 2 a.m. can be fine and dandy nonsense.
The horror flick Saw started a chain-Saw of sequels and that is now one of the most successful of the chop-and-slash variety. It's not a bad way to spend a Halloween evening.
How such a cruelly empty and infantile movie got made is mystery enough. More puzzling is why Cary Elwes, Danny Glover and Monica Potter would sign on as co-stars.