Happy Din Don

Michael is a guitarist in a night club, but his indulgence in gambling costs him his job. He is kicked out of the band. Wandering in an alley, he accidentally overhears a gang of drug dealers plotting. He is caught as he tries to get away. Michael seeks the help of his roommate, Roger who is the manager of a girls band preparing to go on a performing tour to Thailand. Roger takes Michael as a band member so that he can get away. While in Thailand, Michael falls in love with the leading female singer of the band. He tries all sorts of ways to gain her attention and love, while keeping one jump ahead of pursuing gangsters...

Michael Hui

Fat

Cherie Chung

Din Din

Bill Tung

Crocodile King Ma Masa

Anita Mui

Club singer

Ricky Hui

Butcher's son

Michael Lai Siu-Tin

Tat

Wong Wan-Si

Ms. Lee

Yuen Cheung-Yan

Ironhand

Wong Ching

Ironhand's one-eyed thug

David Ho Wing-Hin

Ironhand's muscular thug

Winnie Chin Wai-Yee

Money

Tai Bo

Bill Shum Wai

Boss who steals drugs