The Vampire Combat(2001)

Master Mao Lung is so obsessed with the supernatural that he keeps an eye on the "Yin" wife of his eldest disciple, Hsu Yao Tu. Hu succeeds in keeping the master concealed. A century later, everybody has a new life without memory of the past. Mao Lung's loyal but evil follower swears to take revenge and save his master from the subdued world at any price.