Synopsis

Chang An in the Tang Dynasty of China (618–907): The demon star is passing through the sky, calamity is about to befall the Tang Dynasty. Princess Yongning is forced to flee the castle after her family is killed. Because she is young, she is able to pass for a boy and becomes renowned as a great military strategist. On her journey, she makes trusted allies with her skills as well as fearsome enemies while aiming to protect the Tang Dynasty and exact revenge.