'Yin Yang Road Thirteen: Flower Ghost') is a 2002 comedy horror film produced by Nam Yin and directed by Chan Yiu-ming.
One day, overcome by lust, Chow rapes and murders May and then buries her body in a secret location before fleeing back to Hong Kong.
May's ghost follows Bud Gay back to Hong Kong to seek revenge on Chow.
At the same time, Hok also tracks down Bud Yan in Hong Kong and insists on being his girlfriend.
Chow tries to flee when his lies are exposed but eventually gets his just deserts in a fatal car accident.