The undercover Lee Chi-Kit, shrewd and capable, is responsible for investigating a drug gang. He becomes friends with an assassin named Eva and falls in love with the mistress of the gang leader, Judy.

Two cops search for a mysterious crystal with healing powers to cure a sick old man. On the trail they come up against a team treasure hunter/smugglers with impressive combat skills and big guns.

Two low level Triad thugs dream of making it big however, things get complicated when one of them fall in love with a girl from a respectable family.