Hong Kong Customs and Excise Department officers Chow Ching-lai and Cheung Wan-nam share a close mentor-student relationship. On a case involving seized smuggled arms, Ching-lai is sent to take part in a joint operation with Interpol to capture a reclusive arms dealer. However, Wan-nam makes a drastic decision that further complicates the case.

The rich girl Jean and the poor mechanic Dik fall in love at a resort in Japan, but Jean's rich father forbids such a romance for his daughter.

Mario works in an ointment company. He spends most of his time flirting with office girls or sucking up to the boss's son. The moment he catches sight of Yuki, a pretty woman who newly joins the company, he makes a bet that he will win her heart.

Cat is a professional thief turned straight after leaving her lover, Chi Lam, two years before. But her past returns to haunt her as Chi Lam is kidnapped for the ransom of security software belonging to the company Cat works for. In order to rescue him, she calls on her old friends from her orphanage days, six other feisty women, to save the day...

Thunder (Ronald Cheng) is a God who likes to boast about his intelligence and business mind. One day, he was reminded by his girlfriend, the Saint of Nine Heavens (Qing Yan), that he had pledged his guardianship to a fat boy that he had saved thirty years ago. The boy will face the end of his life on New Year's Eve and it is now the time for Thunder to fulfill his pledge to resolve the boy's trouble.