An army deserter (Yuen Biao) is chased by vampires in the mountains of Zu. He is rescued by a master (Adam Cheung) and becomes his devoted pupil. But when they are ambushed by the Blood Devil, the pair find themselves in need of the assistance of a devil chaser (Damian Lau) and his pupil (Mang Hoi). With the additional help of Master Chang Mei (Sammo Hung), they manage to hold off the Blood Devil…but they will need to find the Dual Swords to destroy it!