Who's The Woman, Who's The Man? 1997

With the help of her lover, Sam, Wing impersonated a male image and became a pop singer. But one un-excepted person, Fong Yim Mui, wrecked the relationship when they both had an affair with her. The climax was that the fact became known to Wing who became disillusioned and decided to leave, but when Sam tried and managed to urge her to stay behind, arguing that though the reality was harsh, there was still a lot to be cherished in a genuine relationship.