Thirteen years ago, the war raged for three months, the people of Huacheng were displaced, and corpses lay everywhere. Chen Keqing took his young sister Chen Youxue to flee everywhere, but the two were forced to separate during a war. Thirteen years later, Chen Keqing was ordered by his master Black Spider to assassinate Du Wuming, the son of Du Dechuan, the richest man in the capital. However, he was moved by Du Wuming's kind character and could not carry out the murder. Chen Youxue, who was separated from her sister, changed her name to Xiaoxue and followed the master of disguise, Old Man Yan, to perform in the arena and earn a living. Out of curiosity, she sneaked into the "Hidden Sword Villa" and met the young owner of the village, Mo Yunfei, and they became enemies. Can the two sisters Chen Keqing get together again? And what kind of story development will happen between Xiaoxue and Mo Yunfei? Stay tuned for this article!