Yi Duo, who lost his parents in a car accident at the age of 11, has a withdrawn personality. In middle school, he met Yin's daughter, who was saved by his parents. The two moved to the complex and mysterious Liuhe Community during the summer vacation. Events happened one after another, each one more bizarre than the other. The death of Yi's family and the many mysteries in Liuhe Community are not that simple. What is the answer behind the story------------------------------------------------