In a seedy, dimly lit room, a strong Brazilian pirocao, his body a canvas of tattoos, is reduced to a quivering, pleading mess. His dominant partner, a master of gay sadomasochism, uses every tool at his disposal - crops, floggers, and clamps - to push the pirocao's limits. The air is thick with the scent of leather, sweat, and the tang of pain, as the pirocao's cries of "Me machuca!" ("It hurts!") only fuel his partner's desires.