In the wake of his father's heart attack, Ken must battle his father's mistress - who persuaded her lover to transfer the grand master title to her in the event of his death - for the rightful claim to the family fortune in a riveting game of mahjong.

Roger Kwok Chun-on
as Ken

Shirley Yeung Sze-Kei
as Nancy

Yuen Qiu
as Auntie Toni

Ha Yue
as Uncle Man

Natalis Chan Pak-cheung
as Grand Slam Ben

Sammy Leung
as Danny

Lau Cheuk-kei
as Sophie

Ricky Chan Po-Yuen
as Bowie

Winnie Leung Man-yee
as Pansy

Queenie Fung
as Sue