Movie Storyline: Golden Gate(1994)

Fresh out of law school, Kevin Walker is recruited into the FBI and commissioned to root out communist subversives amongst the San Francisco Chinese community. He finds a loophole that will enable him to prosecute, but his loyalties become divided when he falls in love with Marilyn, a laundryman's daughter. Written by Jonathan Ridsdale.

http://www.imdb.com/title/tt0109917/

Joan Chen ....  Marilyn Song