Because of a broken heart and drunkenness, Dr. Wandee goes from darling to daring, entangling himself with Muay Thai fighter Yo Yak Padejsuk. A one-night stand somehow turns into a boyfriends with benefits relationship. Though it's only a fake relationship, feelings creep up that the two don't dare accept when they each have someone else lingering in their hearts.

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.

From illegal gambling to match-fixing, discover the seedy underworld behind the once-revered sport of Muay Thai in this drama inspired by real events.