Tenshu is imprisoned and sentenced to death for murdering the men who raped his girlfriend. However, he manages to survive his execution and is presented with an option: face another execution attempt or subject himself to their bizarre and dangerous experiments. He choses the latter and is put in a cell with a rapist and a woman who's infected with a taint that transports from person to person during extreme anger. The taint is transferred to Tenshu and he must now deal with the military who has interrupted the experiment to obtain it.