The Bad Mothers biker crew goes berserk when one of their new members is killed. Lem leads his crew into the night to find the culprits. He discovers it is a rival gang called The Zombies and he seeks bloody revenge. The Bad Mothers discover that the Zombies have been doing loads of drugs and have racked up a massive debt with a voodoo-practicing dealer, who is turning the Zombie biker crew into actual zombies.