At the end of the Southern Song Dynasty, the mountains and rivers were broken, and the imperial court bowed its knees and ceded lands and paid indemnities in order to achieve peace. Chu Xing, who lives in Pian'an Village, witnessed his adoptive parents being slaughtered by Jin guards when he was young. Fortunately, he was saved by Xing Yue Meng. In the Xingyue League, Chu Xing met Lin Yiran, an eccentric junior sister. They practiced martial arts and grew up together. From bickering and fighting to fighting side by side, they developed a secret love. In this troubled world, the two fought hand in hand to protect justice and independence, writing a passionate and romantic chapter of chivalry.