The Close Encounters of Vampire (1986)

A small town is plagued by a hopping Chinese vampire. A clumsy traveling warrior becomes aware of the vampire's sinister presence however the skeptical locals and their arrogant Taoist priest discredit the traveler. Meanwhile, a group of orphaned children, who are taken care of by a loving yet stern middle-aged play actor, befriend the vampires son without realizing his true identity.