Synopsis：Amidst dynastic upheaval and rampant warfare, the nation faces both external threats and internal plague. Orphaned refugee Gu Xiaoshu and the prince's heir Li Yi grow up together, bonded by deep friendship. Unexpectedly, the prince issues a kill order, forcing Li Yi, constrained by his status, to secretly escort the protagonist out of the city and, with great pain, sever ties and turn against him. While fleeing through the forest, the protagonist is ambushed but rescued by a female archer, while a figure in black reveals clues about his origins. To uncover the truth, the two embark on a journey together, gradually unveiling the shocking vendetta and hidden past behind the assassination order.