Lin Hao transmigrates into Leo Shaw, a foolish prince despised by all. The Empress grants him a marriage. On the wedding day, the Empress intends to annul the marriage and wed him to someone else. Leo Shaw, feigning foolishness, no longer holds back. With modern knowledge, he improves livelihood, quells rebellions, and reforms government, transforming from 'The Capital's Number One Fool' to a wise prince of Grand Xia.