In order to rescue her best friend Coco Kam, masseuse Cheng Siu-Yan is embroiled in a triad murder case. Wrongly accused that she has killed someone, Yan hides away from police and gangsters by reluctantly returning to her long-separated father Cheng Tsun-Cheong. Cheong manages a Chinese herbal tea shop but business is failing. Yan drags through the days stressfully until Ng Chung-Ming comes into her life. Chung-Ming claims to have a secret prescription for making Chinese herbal tea but he is actually an undercover police. By investigating Siu-Yan's case, Chung-Ming hopes to get promoted and marry his inspector girlfriend Cheung Sz-Man. But when he meets the cheerful Siu-Yan, he begins to develop his self-esteem and his relationship with Siu-Yan grows.