A ghost film by Ching-Ying Lam.

Killed thieves and robbers in Thailand, but their bodies were stolen by his teacher and turned into yin and yang bodies to seek revenge on Lin. Lin's daughter was rescued and they fled to the police station. Detectives B and Ting met Yin and Yang when they went to investigate. Ting and Big B went to find their mother. She knew that both of them were born at the age of ten spirits, and their intercourse could break the magic of Yin and Yang corpses.