War of the Underworld (1996)

Name: War of the Underworld
Genre: Action, Crime
Released: 1996-08-03
Duration: 97 min
Cast: Tony Leung Chiu-wai, Jordan Chan Siu-Chun, Carman Lee Yeuk-Tung, Simon Lui Yu-Yeung, Michael Lam Wai-Leung

When the son of a gang leader manages to insult the son of a rival gang leader, total war erupts between the rival gangs, and the young hero is forced to do terrible things in order to maintain order and honor.