Shui Chit Cheung

Starring Anthony Wong as a cop who, for some reason, dresses like a priest, most of Kingdom of Mob takes place in a small village in the New Territories, where a gang led by Michael Chan (along with his daughter Diana Pang Dan) is trying to fix an election in order to get rid of the reigning mayor (Wu Ma) so that corrupt government officials can extend Hong Kong's borders. (hkfilm.net)

Keung, a hot-tempered but smart detective, is assigned to a team with newcomer Wah to investigate a series of horrible and abnormal murders. They find out that all the cases are related to a lesbian disco, in which Keung meets his previous classmates and her intimate girlfriend. But he doesn't know that the classmate has been targeted as the next prey of the serial killer. (imdb)