Luo Xiaolan, a good girl who thought she was the eldest lady of the Luo family, suddenly discovered one day that she was just a substitute. What should she do? Without the care of her parents and eldest brother, can she survive alone in this ever-changing world? How should she face the "replacement"? It seems to be a very heavy theme, but in fact the story is just about one person. She is exploring where she comes from? Where will it go? It must be a comedy. The world is already sad, so it doesn't need to be heavy anymore.
Purpose: Find the meaning and value of life