Xu Xian time-travels to the Great Chu dynasty, becoming the Crown Princess's own younger brother. Backed by his brother-in-law, the Crown Prince, he transforms into the capital's number one playboy. He runs up tabs at the pleasure houses on the Crown Prince's account, clashes head-on with the powerful elite, and provokes impeachments from the entire court until everyone wants to nab him. Yet the Crown Prince protects him, and the Emperor treats him like the apple of his eye. Seemingly incompetent and unlearned, he is actually deep and perceptive—solving bizarre cases, establishing security bureaus for logistics, and running a confectionery business. While playing the lazy playboy on the outside, he stirs up winds and clouds in the imperial court. Lighthearted and humorous, he masterfully handles both everyday business and court political strategy.