Overview:

Li Chang Ge's family was murdered by Li Shi Min, the Emperor of Tang, during the Xuanwu Gate Incident. She heads to Shuo Province under the guise of a man with hopes of raising an army to kill Li Shi Min to avenge her family's death. However, as a captain of the army of Shuo Province in Zhangzhou, she loses a siege by the Eastern Turkic Khaganate General Ashina Sun, who takes her to serve him as a personal military strategist.