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Purpose: This book aims to explore the perseverance of human nature and the pursuit of self in the desperate situation of extreme terror and regularization. Through the process of the protagonist Han Lu solving the mystery of "Mirror House", it shows how a modern policeman uses reason, courage and sense of responsibility to fight against the ancient curse stemming from twisted love and feudal secrets. The deep expression of the story is: the real "elimination of evil spirits" lies not only in eliminating evil spirits in the outside world, but also in having the courage to face the hidden truth in the heart, finding the position of one's own will in the chess game of destiny, and completing the growth from "being bound by the rules" to "understanding and controlling the rules".