The daughter of a wealthy businessman in the capital has a lot of money. In order to avoid her family's pressure to get married and her aunt's plot, she hangs out with her beloved cat "The Creditor" all day long. By chance, she relied on her extraordinary observation and the cat's unintentional reminder to help Mu Wanyan (pseudonym Mu Wan), the daughter of the Minister of Dali Temple, disguised as a man, solve a strange case. The two and the cat have formed a partnership since then...
