Dun Huang Tales of the Night (1991)

Historical love triangle tale. Sun Chi Ming is a prince, who spends much time supervising the artwork on the walls of his father's castle. He is fancied by Lien Heung, whom he rescues one rainy night, which ends in them becoming lovers. But shortly after, another woman comes on the scene, Lee Yin Yee. She seems to be the human form of a monkey spirit. The remainder of the film is taken up with surreal, dream-like images and alternating competition and cooperation between the two women