The Eldest Princess of Nanzhao sacrifices herself for peace between the two nations. The Second Princess, Shen Zhaoli, sorrowfully takes up her mission and marries into Dashuo. Facing tyranny and conspiracies, Shen Zhaoli remains composed in the face of danger, maneuvering carefully through the perilous court of her enemy nation with extraordinary courage and exceptional wisdom. She not only eliminates the evil forces that persecute loyal officials and overturn right and wrong, but also tears away the hypocritical facade of the tyrant's rule. With unwavering conviction, Shen Zhaoli defends justice among the people and the dignity of her homeland, ultimately restoring order, clearing her elder sister's name, and welcoming the dawn of peace.