The Witch with Flying Head
A young woman of considerable social standing receives a curse from a black magician that causes her her head to detach from her body and attack anyone in sight. A good wizard is able to limit the effects of the curse to effect her only on the 15th of each month, but when she falls in love, things get complicated.
Directors: Jen-Chieh Chang
Writers: The Wei Wen Group
IMDB: tt0122318