An army deserter Di Ming Qi (Yuen Biao), who was chased by vampires in the mountain of Zu. He was rescued by Master Ding Yin (Adam Cheng) and became his pupil. When they were ambushed by the Blood Devil, devil chaser Xiao Ru (Damian Lau) and his pupil Yi Zhen (Mang Hoi) came to their assistance. With the help of Master Chang Mei (Sammo Hung), they managed to hold off the Blood Devil but they need to find the Dual Swords to destroy it.Master Ding took the wounded Xiao Ru to Celestial Fort and sought help from the Mistress (Brigitte Lin), but was in turned poisoned by the Blood Devil and he surrendered to the Dark Force. Will Di and Yi Chen find the Dual Swords and destroy the Blood Devil?