It is said that youth is the chaos of one person, but in fact, youth is the ruins of a group of people. At the most inappropriate age, Yang Feng, Yang Yue, Zhang Qiang, Zhou Yuhao... They did the most heart-breaking things. The betrayal of friendship, the rupture of family ties, the disintegration of family, the distance of classmates, their youth is like a torn picture, falling into the thickest darkness. Until many years later, those are the past that I least want to recall.