In their ignorant youth, Xingchen met young people who either amazed or softened the years: the gentle and elegant Rong Zhi, the devilish mousse, the fiery and proud Rixi. And in the end, who will she choose to spend her life with? When she is lost, there is always a figure by her side, telling her with actions that even if she can't see tomorrow and can't find her way back, it doesn't matter, because he will always be by her side and never give up.