She is a gorgeous chivalrous woman whose soul has penetrated the princess, and he is an ascetic national master with an ageless appearance. Her soul comes from him, and his mortal heart is moved by her. What changes did her arrival bring to the Qingguo royal family? What kind of secrets does his life experience hold? The male and female protagonists join forces to help the world, and there is no bloody misunderstanding in their firm and persistent love.