Fucheng, a very ordinary and cheerful boy before May 2011. And all of this has undergone earth-shaking changes on the eve of May Day. He himself didn't know whether everything he experienced in one afternoon was a real year; was it the sound of the piano that changed everything, or was it something else?
Concept: It is said that one day in the sky and one year on the earth, but what about one year in a dream?