Who sealed the female corpse of the Ming Dynasty into a black coffin? Who set up the seven-day vigil? The debts of two generations of the Shen family have to be paid by a young man. From corpses floating in the Yellow River to weird things in Yizhuang, from broken pages of diaries to century-old pieces of paper, Shen Qinghe struggled on the edge of life and death, but step by step he uncovered the secret rules of the Yin and Yang worlds. When the black and white impermanence appeared, he realized that once he sets foot on some roads, there is no possibility of turning back.
