Unknown (DVD)

In a disused utilities building in the middle of nowhere, five men wake up to find themselves in the middle of a nightmare. Somebody has kidnapped them and left them here for reasons none of them understand but what quickly becomes clear is that some of them are kidnappers and some of them are victims. The only trouble is that they're all suffering from short-term memory loss, which means that as they wake up, the details of their predicament remain unknown. But they'd better figure it all out quickly. There's a man in a pair of snakeskin boots on his way out to see them, and he intends to finish the job off once and for all… When cult horror-thriller Saw ...