Yang Zihan is a girl who has just been released from prison. Because in order to save her mother from domestic violence, she accidentally stabbed her father with a knife, so she went to jail. After she was released from prison, she worked hard to change the status quo and was not afraid of the ridicule and indifference of passers-by. She started as the hardest porter. She took her mother out of her hometown to live in the city, and then lived in Beijing.
Yang Zihan's mother, Wen Zhenhuan, has the mentality of the older generation in her bones. She thought that she could give her daughter a complete family if she could bear it. But the reality is cruel. When the man raises his fist again, she knows how to fight for herself.