Xiao Teng, who came from an average family background, never gave up. He studied and worked abroad but achieved nothing. Finally, he came home and found a comfortable job. In order to get ahead, he worked hard. However, his mother was ill and he weighed the idea of going home again and again to support his small family business with his father. However, he still pursued high goals and quarreled endlessly with his father. Soon he got married and had a child in a confused way, and was in various situations. He was about to turn thirty and his life became more and more unclear, and his life was in a mess. In order to make his family live a better life, he seems to have to learn everything again and be down-to-earth...