Takes Two to Mingle (1990)
Original title: 摩登襯家
Takes Two to Mingle is a 1990 Chinese-language movie directed by Dick Cho. It stars Danny Lee Sau-Yin, Wu Ma and Fennie Yuen Kit-Ying.
A tough-as-nail-cop becomes irrate when he learns that his sister is dating the son of a powerful triad leader.