A genius boy who has returned from overseas meets the porcelain-like Xiao Xiao and the stuffed toy-like Na Hui. It is the most perfect procedure to turn one of them into a lover and the other into a friend.
When the program went wrong, he realized that youth is not for squandering.
The earth rotates too fast and the three of them walk too slowly, so they have the opportunity to get together and hear the sound of flowers blooming on the roadside. In addition, they have nothing else to ask for.