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. Written by Luis Piedrahita & Rodrigo Sopeņa
After resolving a test with a sequence of numbers, four mathematicians are challenged by a mysterious man called Fermat to meet in an isolated place to resolve the greatest enigma ever. Each one receives a code name - Hilbert, Pascal, Galois and Oliva - and heads to a barn in an island. Inside the barn, they find a comfortable room, and sooner their host arrives. They have dinner together and Fermat receives a phone call from the hospital where his daughter in interned in coma. He asks to leave the place for one hour; however, after his departure, the quartet finds that they are locked up in the room. They receive a phone call with a mathematical riddle, giving one minute to their reply; sooner they find that if they do not answer to the questions, the walls move and room shrinks pressed by four Poseidon hydraulic presses. While responding the questions, they try to find the motives why they have been gathered together to be killed. Written by Claudio Carvalho, Rio de Janeiro, Brazil
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