During the rainy season at Mingcheng Middle School, the silent transfer student Wei Lan guarded the blue snowflakes left behind by his mother, hiding the past in the lines of the cocoon. The cheerful Zuo Ning wrapped his smile around the folds of the hospital bill, but one rainy night, he saw him staring at the pot of flowers - which had been her mother's favorite.
They are silhouettes in the building opposite. They exchange secrets with anonymous transfers, pills in the table, and the sound of the piano on the rooftop, but they are trapped in the quagmire of their original family and their unspeakable self-esteem. When he broke up to protect her, she used her tuition fees to pay off his debts, and then she realized that she liked him a little bit, like Dong Chan who couldn't wait for Xia Xing.
Reunited many years later, he said, "The piano on the rooftop is still there," and she held the umbrella engraved with his last name. This time, can Dong Chan wait for Xia Xing?
