Min Shuran, a sophomore who lived dejectedly all day long, was infatuated with a girl named Jiang Lin in his class. He pursued her hard but could not be accepted. So in his dreams, he imagined a friendship between the two and imagined a Jiang Lin with a different personality. Until the afternoon of June 8, 2007, when he was in class and heard that someone jumped off the building, he rushed into the crowd of onlookers and saw Lin lying in a pool of blood. Memories of the past were brought back bit by bit, and the truth about Lin's suicide was gradually revealed, the story surrounding him, Gu Mengmeng, Lu Chen and others...