Gu Qiqi, the daughter of the prime minister, abandoned her boudoir to practice martial arts since she was a child. At the age of fourteen, she changed her name to "Qiqi" and wandered around the world. She rescued Major General Shen Mo in the northern part of the Great Wall and stayed in the camp as a "cousin" to fight against foreign enemies together. The two became close friends throughout life and death. Four years later, she returned to Beijing with Shen Mo, just as her father was involved in a fraud case. She was awarded the title of the first female general for her merits on the frontier, and her true identity was revealed when she asked for orders to investigate the case.
On the way back to Beijing, she ran into her twin sister Gu Qingqing, who looked exactly like her, and caused a commotion for slapping the princess. After that, Gu Qiqi fell in love with the prince Jiang Qi, who understood her military ambitions. Shen Mo also fell in love with the gentle Gu Qingqing, and the two couples were about to get engaged.
However, the enemy suddenly invaded and the troops were divided into two groups. Gu Qiqi knelt down and asked to go out to fight, and the prince asked for the emperor's order for her.
