Because his father rebelled, the whole family was raided, and his father was executed by his childhood sweetheart, the emperor. On the way to escape, in order to protect the heroine by himself, the brother resisted the pursuers, and was eventually stabbed to death with a random spear, and died in front of the heroine. The heroine failed to escape and was eventually captured by the pursuers. The emperor couldn't bear to stab his childhood sweetheart to death, so he married the heroine against all the opinions. However, in the bridal chamber that night, the heroine could not remember the revenge of killing her father and refused to consummate the marriage. She vowed to disguise herself as a man and inherit her father's rank of general, and to guard the frontier and her people for the rest of her life...
Concept: Ancient women's thoughts and choices between everyone and their small family