He Who Knows Too Much (1991)

Original title: 龍鳳情長

Local patrol leader Lun Junwen is devoted to his mother Lun Bashen. They run a candle shop together. Junwen's close friends include Niu Bainan and his uncle Yu Luming. Still unmarried, Junwen pursues his fellow townsman Jiang Lihua, who returns to find her missing brother and sister-in-law, unaware that Junwen is involved in their disappearance. Junwen struggles to express his feelings for Lihua and faces complications when Niu Bainan inadvertently worsens the situation. On the other hand, Junwen meets General Zhou, who is investigating the disappearance of the crown prince and spies. Impressed by Junwen's character, General Zhou mentors him, leading to Junwen being mistaken for a heroic figure...