Space Werewolf from Planet Sex

Lewis and Darius are about to get a new room mate; Marcin- a man who is both stunningly beautiful, and also kind of weird about sex. Still, if they can manage to keep their cinematic porn parties to a minimum, there's no reason why they and their prudish new friend can't live in harmony. But Marcin harbours a dark secret, and every boner he gets might spell doom for humanity.It looks like man meat might be back on the menu, and not in the fun way...