Muay Thai champion Hoi Ching-hei (Shuan Tam) manages to hold his ground in his farewell match. However, after a celebration gathering, he soon abruptly meets his death as he quarrels with someone while saving some drunk woman. Hoi Ching-nam (Owen Cheung) reviews his elder brother Ching-hei’s boxing match video. He finds out the cause of death surprisingly has something to do with coach Shek Ngo-shan (Wayne Lai). He is certain Ngo-shan has killed Ching-hei. Ngo-shan develops his boxing club business and transforms into a successful merchant. He is interviewed by famous TV presenter Man Sin-yin (Winki Lai). To attain certain objective, socialite Lui Kin (Elaine Yiu) wants to gain a foothold in the realm of Muay Thai. She becomes a consultant to some combat sports association. She encounters Ngo-shan and develops a subtle relationship with him. To seek justice for his late elder brother, Ching-nam becomes boxing champion Yip Ying-fung’s (Hugo Wong) disciple. And with assistance from some wealthy man’s daughter called Kong Ka-ching (Jacky Cai) and his childhood buddy Shek Tsz-chung (Brian Chu), Ching-nam is determined to step into the boxing ring and go after Ngo-shan.