The Qi Dynasty was once again in turmoil, and Ji Qingya, the former subordinate of the former dynasty, set up a trap to disrupt the court. He Qinyao and Chu Mingxi worked together to break the situation, resolve the twenty-year feud with integrity and benevolence, and uphold the righteousness of the family and the country and the peace of the prosperous age. On the Wanshou Festival, although the grudges from the previous dynasty were settled, the mystery of "Yu Niang", Ji Qingya's sister who had been searching for half his life, was unexpectedly revealed. An old jade pendant and an unnamed deposit of silver, the clues lead directly to the unfathomable palace wall! Where is Yu Niang? Next spring, what kind of shocking secret will that copper key that has been dusty for twenty years unlock?
