Killing Me Tenderly (1997)

Cindy is a rising pop singer who, unbeknown to her, is being stalked by a crazy fan. In response, her "Foster Mother" calls in the police to help. Meanwhile, a young police sergeant, Lai Su-kan is tired of his life as the Head of his village in the New Territories. After putting in a transfer, he gets the protection of Cindy as his first job. Only problem, is that he has to pretend to be gay.