Simon Li Kuo-Hua

Sergeant Tong is wracked with guilt after he unwittingly kills a young girl whilst capuring a criminal named Cheung. When the girl's sister is later kidnapped in a ploy to get Cheung released, Sergeant Tong vows to find and rescue her before she comes to harm.

Secondary school teacher Lam Yiu-kwok is suffering from a mid-life crisis—his peers have all become more successful than him; his relationship with his wife, Chan Man-ching, is in trouble when her old flame returns, and he finds himself tempted by a 17-year-old student who has a crush on him.