

A vicious brawl ensues with the prisoners largely overwhelming the guards in sheer numbers. The money is no longer his main concern instead he is unwilling to let go of his power. Even as the rest of the guards try to lift the shutters to escape, Barris tries to keep them in. Upon finding Benjy chained up and left to die, Travis leads an assault against the guards, chasing them through the building. He interrupts the rape of a prisoner by Chase, knocks him out, and sets the other prisoners free. While locked in the dark boiler, Travis realizes that there is a hidden infrared camera watching him, even there, and as his despondence turns to anger he manages to get out. If they manage to follow the rules for two weeks, each man will be paid $14,000. Archaleta stresses that the experiment will end immediately at the first sign of violence or quitting. The guards in turn must ensure prisoners obey the rules, and deal with transgressions commensurately within 30 minutes. Basic rules are outlined: prisoners must eat, and fully consume, three meals a day there will be 30 minutes of rec daily prisoners must remain within designated areas.

Travis is assigned to be a prisoner, Barris to be a guard. Among them is Travis (Brody), a proud anti-war protestor, and Michael Barris (Whitaker), a 42-year-old man who still lives with his domineering mother.After interviews measuring responses to various scenes of violence are conducted, a chosen 26 are driven to an isolated building set up as a prison and split into six guards and 20 prisoners. Archaleta (Stevens) in which participants will be divided into groups acting as prison guards and inmates. Volunteers arrive for a psychological study led by Dr.
