Set in Joseon dynasty, it tells the story of a young gourmet who unintentionally becomes a royal inspector and a divorced woman who rushes to find happiness, as they team up to investigate and defeat corrupt politicians.

Choi Kang-Woo is a former detective, but he now works as a veteran insurance investigator. He leads a team that attempts to reveal insurance fraud cases.

Set during the Goryeo dynasty, Won, crown prince, has a sweet appearance hiding a lust for conquest. He is best friends with Rin, an elegant man of royal descent and Won's bodyguard. When beautiful San, the sole daughter of the wealthiest man in the nation, enters the lives of the two young men, the three at first become friends but a tragic romance ensues afterwards. Based on the novel of the same name by Kim Yi-Ryung.

The story of a man who fights against greed, and experiences every hardship and adversity known to man in order to make something of himself and find love.