Mancini must place a bomb inside the offices of a big bank, in order to destroy some important and burdensome documents belonging to a dodgy customer.
After disguising himself as a member of the cleaning staff, and priming the bomb with a timer, he gets trapped in the elevator with two unsuspecting clerks, who are returning home from work.
Outside the building his two accomplices, Pittana and Borgia, are keeping on eye on the situation, apparently waiting for the man to complete his mission.
With time working against him and the pressure reaching the boiling point, Mancini begins to realize that his two friends might not be looking out for him as they are supposed to…