In the best years of their lives, facing the eternal proposition of family and love, what painful choices will Yu Feng and Mao'er make? In the face of the cruel reality, are they a negative teaching material about youthful youth, or a love elegy of resistance and struggle? Once upon a time, the past is no longer like smoke and clouds, and the tears in the storm will disappear with the storm! The melancholy under the bright moon in a foreign country is like a shadow, accompanying me to the end of the world...