The fourth season of Tiantian Chengzhang Ji returns to a childhood story set in the countryside, one it describes as belonging to all of us. The plot keeps close to real social life, reflecting what ordinary people hope for and strive toward as well as the anxieties and troubles they carry. As China industrializes and urbanizes at speed, its cities and rural areas have changed dramatically, and fresh social problems have surfaced along the way. These real conditions make up the world the young protagonists move through, from the general anxiety surrounding urban education and the lack of nature to the situation of rural schools, left-behind children, the growth of the mobile internet, and the construction of a new countryside. Over 13 slice of life episodes, the focus stays on the childhood of these young characters, making it a fit for viewers who want everyday stories grounded in contemporary social change.