Romeo Must Die (2000)

Han Sing, an ex-cop imprisoned in Hong Kong, escapes to Oakland to investigate his brother's murder. His brother was involved in a joint venture with Isaak O'Day, an African-American gang leader. Amidst escalating gang tensions, Han befriends Isaak's daughter, Trish, who is uninvolved in her father's illegal dealings. Together, they uncover a trail of deceit involving their families' fight for control.