It is a story about a group of foreign hackney. They make a prostitute of themselves in Mongkok to earn the living and escape from cop. One of them called Man fall in love with a groom, Kit. Kit is involved in a rival between two gangs. Gangs and police try to get him. To save Kit, Man kills the gang leader later and kit surrenders himself to the police----- However, the death of the leader implies one’s birth. The story in Mongkok never ends.