Pei Sangsang, a female nurse, faced with her old and stubborn grandmother and her parents who were about to divorce. At the age of 30, she attributed all her failures in the first half of her life to her eldest sister from her native family. Her 23-year-old resentful twin brother was still in the rebellious stage. Pei Sangsang was confused and lost. At the age of 23, she lived the most ordinary life. An ordinary life, no love and no ambition. Faced with a family that is about to break up, I feel reluctant to leave. There are always all kinds of trivial frictions and discomforts with each other when we are together. We compromise with each other and endure each other. We all feel that we have been wronged. When we really want to separate, we don't know where to go...