Xiao He, the daughter of a general in the Great Zhou Dynasty, gave up dancing and learned martial arts to develop unique skills because her mother misheard a word. At the talent show, she held up a sandalwood table with one hand and stunned the audience. She was specially designated as a guard with a sword by the emperor. She deviated from the path of the harem planned by her father and stepped into the turbulent palace forbidden court. As a woman, she faced difficulties and obstacles, protected her master with bravery, and overthrew the Liu clan's rebels with her wits. She was promoted from a sixth-grade bodyguard to the captain of the Yulin Guard, commanding three thousand forbidden troops. In the main hall, the defeated warriors raised the prestige of our country and finally won the heart of the emperor. This heroine with a sharp blade in her hand broke the shackles of the world, wore a military uniform and ascended to the throne, and became a comrade-in-arms of the emperor.