Fermat's Room

2007· 88 min★ 6.6· Mystery, Thriller

4 mathematicians are invited to solve an enigma. Once there, they're locked in a mechanically shrinking room and given 1 minute to solve each puzzle via cellphone while also figuring out why they're there.

Cast: Alejo Sauras, Elena Ballesteros, Lluís Homar

Director: Luis Piedrahita, Rodrigo Sopeña