A young demotivated and easy-going man who wanted to live by running a small dumpling restaurant, by chance, becomes a secret royal inspector, an undercover official who inspects local provinces to expose corruption. However, he still maintains an easy-going life and does not work hard as a royal secret agent. He teams up with a lady who is searching for happiness by getting divorced from her current husband. The duo then goes on a grand scheme to discover the truth and find corruption....