Dirty Nurse, a female spy for the evil organization Dark Queendom, infiltrates the research institute where the heroic warrior Mighty Guy works, posing as an employee named Marie, in order to retrieve a meteorite stolen by Mighty Guy. She initially tries to seduce Mighty Guy, but he completely ignores her. Later, she sneaks into the institute again late at night to attempt to retrieve the meteorite, but is ambushed and defeated by Mighty Guy...