Nanfang Yan accidentally discovered the fragments of the "Netherworld Contract" that recorded family secrets in an antique shop, and was involved in a series of supernatural events. In order to unravel the origins of his family and the Netherworld Contract, he cooperated with Guo Qianqian, who has a special physique. In the process of solving supernatural events such as the "Dream-Eating Tapir" harming people, the "Ghost in the Mirror" demanding lives, and the "Paper Man Curse" seeking revenge, he gradually uncovered the truth about the death of his parents twenty years ago, discovered the mysterious organization "The Underworld League" hidden in the darkness of the city, and launched a thrilling confrontation with it.
