After enduring one sorrow after another, Xiao Feng meets the cheerful and optimistic Fu Yan. Yet their fate is tragic and unchangeable. Fu Yan was already ill when she met Xiao Feng, and could not stay by his side. Xiao Feng falls into despair, but with comfort from his friends, he slowly carries on with his life. The protagonists meet online, yet their feelings for each other surpass so many relationships in the real world. Only after losing someone do you understand how much they meant to you. That is something Xiao Feng often says to himself after Fu Yan is gone, and it is what he believes in.