Shitu (Bao Beier), a migrant worker, took over a zoo that is on the verge of bankruptcy. He and his employees aim to save the zoo.

Have you kept in contact with your good friends from youth? Are they all doing well? Housewife Zhang Lijun reunites with her high school friend Lin Qing who is seriously ill in the hospital. Lin Qing hopes to be reunited with her old friends before her death. Zhang Lijun starts a journey to find their old friends. Along the way, everyone regained their youth and re-examined their current life.