What is the meaning of a person's life? How long can we remember that person in our hearts after they are gone? Zhao Junhong, who has a cheerful and outgoing personality, has lived in the beautiful town of Banqiao since he was a child. One day during the rainy season in July, a mysterious and injured boy appeared in front of him. The boy not only denies his own existence, he even knows some unknown things about himself. What secrets are hidden behind this sweet fairy tale? What kind of excitement does another boy who is closely related to the boy have with his adoptive father?