泰拳拳王海正曦於退役之戰力保不敗，慶功後卻為救醉酒女子與人爭執，不久突然身亡。海正藍翻看哥哥正曦的拳賽錄影，發現死因竟跟教練石傲山有關，認定他害死正曦。傲山發展拳館生意，轉型為成功商人，獲電視台著名主播文善言訪問。名媛雷堅為了某種目的，努力在泰拳界中要佔一席位，成為搏擊聯會顧問，遇上傲山產生微妙關係。正藍為還亡兄公道，拜拳王葉迎風為師，並得富家女江家晴及兒時好友石子聰相助，誓要踏上擂台，追擊傲山…...
Muay Thai champion Hoi Ching-hei manages to hold his ground in his farewell match. After a celebration, he abruptly dies as he quarrels with someone while saving a woman. Hoi Ching-nam reviews his elder brother Ching-hei’s boxing match video and finds out the cause of death has something to do with coach Shek Ngo-shan. Ngo-shan develops his boxing club business and transforms into a successful merchant. He is interviewed by famous TV presenter Man Sin-yin. To attain certain objective, socialite Lui Kin wants to gain a foothold in the realm of Muay Thai. She becomes a consultant to a 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 disciple. With assistance from a wealthy man’s daughter, Kong Ka-ching, and his childhood buddy Shek Tsz-chung, Ching-nam is determined to step into the boxing ring and go after Ngo-shan.
泰拳拳王海正曦於退役之戰力保不敗，慶功後卻為救醉酒女子與人爭執，不久突然身亡。海正藍翻看哥哥正曦的拳賽錄影，發現死因竟跟教練石傲山有關，認定他害死正曦。傲山發展拳館生意，轉型為成功商人，獲電視台著名主播文善言訪問。名媛雷堅為了某種目的，努力在泰拳界中要佔一席位，成為搏擊聯會顧問，遇上傲山產生微妙關係。正藍為還亡兄公道，拜拳王葉迎風為師，並得富家女江家晴及兒時好友石子聰相助，誓要踏上擂台，追擊傲山…...
