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.
Luis Piedrahita & Rodrigo Sopeña
Think inside the box
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Did You Know?
: When they're putting the bookcases on the floor and filling them with the books, you can see a green book written by the director with him on the cover. See more
None of the supposedly super-intelligent characters ever thinks of using various small hard objects as wedges at the junctures of moving walls. Also, they waste time moving heavy furniture around instead of breaking out the obviously wooden entrance door before it disappears. See more
Do you know what prime numbers are? Because if you don't, you should just leave now.
During the end credits, all accents are added later than the text appears. The character Hilbert is seen doing that continuously during the movie. See more
References MacGyver: Hell Week
Preludio en Si menor BWV 855
Composed by Johann Sebastian Bach
(as J. S. Bach). Score by A. Siloti
Performed by Federico Jusid See more