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. Luis Piedrahita ... (written by) Rodrigo Sopeña ... (written by) César Benítez ... producer Adolfo Blanco ... producer José María Irisarri ... executive producer / producer Manuel Monzón ... co-executive producer (as Manuel Monzón Fueyo) Cristina Garmón ... assistant editor Gareth Molan ...
