Four mathematicians who do not know each other are invited by a mysterious host on the pretext of resolving a great enigma. The room in which they find themselves turns out to be a shrinking room that will crush them if they do not discover in time what connects them all and why someone might wish to murder them.
locked in a room, clue, mathematics, murder mystery, reunion, chess, mathematician, scientist, science, rowboat, piano, mirror, secret, suspense, telephone call, tension, policeman, riddle, river
An ingenious Spanish thriller about maths, sex, ambition and dog poo.