Shen Zhiyi tore up the royal decree of the crown prince and married Xiao Che, the war king of the enemy country, shocking the world. In her previous life, she sacrificed herself for the powerful. In this life, she uses her wits to overcome the situation and settles old grudges with Xiao Che's sword. Xie Yunheng hypocritically seeks peace, Liu Rumei presses harder and harder, He Lianxiao gradually turns to affection from hostility, and Su Huaijin decides to reveal the secret. When the chalcedony Gu appears, the northern cavalry joins forces with the southern secret arts, and the country of Dayin is on the verge of collapse - what she wants is not the position of princess, but the raging flames of the old conspiracy.
