The heartbeats of Xiao Ming and Zhou Han when they first met were like buds on spring branches. The age gap made Xiao Ming choose to keep the throbbing in his heart until one dusk with the fragrance of locust flowers, Zhou Han gave him half of the earphones, and the piano music flowing in the earphones suddenly had the rhythm of his heartbeat. Zhou Han put away his headphones and called "Uncle". I want to be with you every day.