This book is about the weight of a falling knife on a rainy night, and about the layer of snow that no one sees after it falls on the ground. Shen Yan was raised as a swordsman by the imperial court. He thought he was the one holding the sword, but later he discovered that he was just the sword in the scabbard. He thought he was walking. The theme falls on a specific proposition: when a person is in debt to two lives at the same time - the Iron Sword Sect who raised him on one side, and the Jin Yiwei who used him as a swordsman on the other - which side of the rules should he believe in? What's more, when the whole world is telling you that "justice does not exist, only interests," do you still want to seek justice for something that is destined to cost you? This is a story about "how lawful people discover that order itself is a lie", and also about the choice of "whether to continue walking after seeing through it".
