When there are too many friends, good friends will be lost, but who has a wise eye; when glitz is too close, the way home will be lost, but who has a stable heart. When the world becomes big, you will lose your original self. Who has the true nature of kindness? Mu Xiaomu adapted "Growing Sour in the Plum Rain" based on real stories around her. Everyone in the story can be the protagonist. In this experience of love, betrayal, and growth, we slowly grow up and mature. Saying goodbye to yesterday's mutual warmth and mutual hurt, everyone has gradually changed, can we still go back? . . .