On a cold, winter night, in the middle of a deserted highway, an armored police van is attacked during a prisoner transfer. Someone is looking for someone inside. Martín, the police officer driving the van, manages to barricade himself inside the armored cubicle with the inmates. Forced to come to an understanding with his natural enemies, Martín will try to survive and fulfill his duty during a long, nightmarish night in which even his principles will be put to the test. (FILMAFFINITY)
