Gu Xiaomeng accidentally rescued Li Ningyu, and the two became attached and fell in love with each other. Later, the Li family found out and forcibly broke up, and sent someone to secretly kill Gu Xiaomeng. Li Ningyu finally compromised and married into the prince's palace, and soon became the queen. She and the emperor always treated each other as if they were guests, and there was no real relationship between husband and wife. However, Gu Xiaomeng accidentally entered the military camp and assumed the alias Gu Xiao. After many years of defending the country, he killed enemies on the battlefield, made great achievements in battle, and became a general. After receiving the imperial edict and receiving the title, the two reunited in the palace, and the feelings that had been hidden in their hearts were finally revealed. Unexpectedly, the emperor discovered the identity of the woman disguised as a man, but he did not kill her and sent her to guard the border. Soon after the emperor passed away, Gu Xiao returned to Beijing to protect the young emperor. Li Ningyu, who became the queen mother, assisted the young emperor until she took charge. When the time came, she hid it from the world, faked her death and left the palace, and finally married Gu Xiao. The ending he, the extra story be.