In 1980s Hong Kong, troubled youth Chan Lok-kwun, a mainland refugee, struggles to survive in the Kowloon Walled City by joining underground fights. Betrayed by crime boss Mr. Big while trying to buy a fake ID, he steals drugs from him and seeks refuge in the Walled City, where he encounters Cyclone, a compassionate yet authoritative crime lord.
Raymond Lam Fung
Chan Lok-kwun
Louis Koo
Cyclone
Sammo Hung Kam-Bo
Mr. Big
Richie Jen
Chau
Terrance Lau Chun-Him
Shin
Kenny Wong Tak-Ban
Tiger
Philip Ng Wan-Lung
King
Tony Wu
Twelfth Master
