In the spirit of "Cube" comes this Spanish thriller that follows four famous mathematicians as they are invited to the home of a mysterious stranger. Locked in a room and given a series of logic puzzles that must be solved quickly or else they will be crushed to death, they must all work together in order to stay alive. Lluis Homar, Alejo Sauras, Elena Ballesteros star. 92 min. Widescreen (Enhanced); Soundtrack: Spanish Dolby Digital 5.1; Subtitles: English (SDH), Spanish. In Spanish with English subtitles.