Shen Yan inherited the "Yin Yang Shop" left by his grandfather. On the surface, it sells antiques and second-hand goods, but in fact it specializes in collecting "yin objects" - objects that are stained with the resentment of the dead and can haunt the living (such as a bloody jade pendant, a peachwood comb that combs its own hair in the middle of the night, and an old radio that can hear cries). One day, a customer sent a coffin from the Republic of China period, saying that the house was always haunted. After Shen Yan took it over, he found that not only were bones contained in the coffin, but there was also a piece of yellow paper filled with spells hidden in the coffin. This coffin was related to the mysterious disappearance of his grandfather twenty years ago.
