Mari Hirakawa is a woman who inherits her father's karate dojo. However, she finds out that Chan Keung, her father's former student, is also its heir and they fight to determine its sole owner.

Stephy Tang Lai-Yan
as Mari Hirakawa

Chapman To Man-Chat
as Chan Kent

Yasuaki Kurata
as Akira Hirakawa

Stephen Au Kam-Tong
as Mute Dog

Dada Chan Ching
as Peggy

Ryan Lau Chun-Kong
as Calvin

Michelle Lo
as Bulldog

Chow Chi-Fai
as Boss

Roy Szeto Wai-Cheuk
as Szeto

Tanya Chan
as Lawyer