Xue Jingyao has been plagued by various illnesses since she was a child. She was seriously ill and on the verge of death when she was ten years old. In order to save her life, her family made a strange secret contract, so that she would become the destined bride of the Dragon King when she grew up. She also established a lifelong taboo of not being close to foreign men. As an adult, she regarded it as a rural superstitious legend and never took it to heart. But a man in red appears in the middle of the night, his friends have separated dual personalities, his father is in a mysterious coma, and the neighborhood is hiding a sinister plan. A series of weird and strange things happen one after another. Her luck was completely shattered, and she finally recognized the reality of her fate. In order to unravel the secret of the Dragon King's marriage contract and break free from the strange shackles, Xue Jingyao has since embarked on an unpredictable path of supernatural secrets.