"The dog that stays by your side, that's what I am." Cheng Shi Yan, the youngest son of one of the top business groups' Chairmen in the country, was raised in a loving family. But tragedy struck when his parents died in a sudden fire and his only brother went insane. Shi Yan's world crumbled around him, but he found hope in Vice Chairman Shou He Fu, who became his guardian. In exchange for protecting his family and brother, Shi Yan became Shou He's pawn. However, on his twentieth birthday, he received a letter that promised his escape. Intrigued, Shi Yan sought out the address and encountered Li Xian, a mysterious man who offered to be his master.