The 19-year-old princess Chengxia went alone to the enemy country to make peace with her husband in order to put down the war. He made a close friend, Yan Lan, and helped the young emperor Lan Yun succeed in ruling the world, and together they raised a daughter, Lan Xin. In the end, Princess Chengxia was framed to death. When Lan Yun found out the truth about the unjust case, she named Chengxia the Queen of Wisdom and Benevolence. The daughter she gave birth to was taken away by Yan Lan and her whereabouts are unknown. Lan Yun later transformed into a cold-blooded emperor, and the war between Ping and Jin never stopped. Until I reach the age of 80, I miss you endlessly... I write poems about my widowed life and talk about my remaining life...