Young and Dangerous 6

Taiwan’s San Luen Gang designates triad member Chicken to marry Nanako, the daughter of the fifth-generation leader of the Yamada Gang in Japan. Later, the leader of the triad group gets murdered. Actually, all the San Luen Gang members suspect Chicken attacked their leader Liu in order to make a chance for himself to rule the Gang and thus have adopted an extremely hostile attitude towards him.
(Source: Letterboxd)