Isfimovies - 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 …Luis Piedrahita, Rodrigo SopeñaAlejo Sauras, Elena Ballesteros, Lluís Homar, Santi Millán07 Oct 2007 (Spain)4 wins & 1 nomination.