Actors: Lluís Homar, Santi Millán, Alejo Sauras, Federico Luppi, Elena Ballesteros, Helena Carrión, Núria Badia, Mar del Hoyo...
Duration: 89 min
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.
