这是一个关于正义和勇气的故事。看似热血耿直的少女治安都尉骆十七，与冷酷干练的游侠夏知秋一起，在已经丧失希望的久云镇，与强大的敌人不断地战斗，用自己的信念和勇气，铸造一柄坚持正义的无形之剑……

This is a story about justice and courage. The seemingly hot-blooded and straightforward girl, Security Captain Luo Shiqi, and the cold and resolute ranger Xia Zhiqiu, fight continuously against powerful enemies in the already-hopeless Jiu Yun Town, forging an invisible sword of justice with their beliefs and courage.