The film revolves around the story of Li Yitian, who struggles in a big city, showing the current situation of the life of a new generation of young people, focusing on the ordinary people who are trying to live in contemporary society, and their pain and struggle from ideals to helplessness to new life.

The girl Zhao Xiaoman repeated her life of doing odd jobs, and the intrusion of a stray dog gradually made her let go of the pain of her family. The inseparable day and night companionship warmed the two lonely souls. When bidding farewell is inevitable, should we still take care of it? Xiaoman chose to respond calmly with actions - I want to take care of myself, we will all be fine.