The carefree Ouyang Dada and his best friend Ake, who also has all kinds of bad habits, fall in love in such a similar way but they really fall in love. In the boring autumn, after every snow in hibernation, between friends and lovers, two heartless people ride bicycles on the street in the afternoon, say goodbye in the boring autumn, and then wait... How all the troubles are seemingly easily forgotten, and how those days full of happiness can't help but shed tears. A beautiful adult fairy tale, a childish love philosophy story.