The first chapter mainly tells Sun Guanglin's memories of his brother Sun Guangping, his younger brother Guangming Sun and his father's grandson living in the south gate of their hometown. The most wonderful thing is that the three brothers kill each other, and the wicked complain first. At the same time, the three brothers in childhood fell in love with the young girl Feng Yuqing, but the girl fell in love with the hooligans in the village and eloped with the vendors after being abandoned. The younger brother sacrificed to save the drowning child, and the father longed for the government's praise; Father and brother climbed into the bed of the neighbor's widow; And more than a decade ago, my father couldn't wait, and he gave birth to himself with his mother on the bench.

The second chapter mainly tells about Sun Guanglin's middle school life. The hazy sexual psychology of adolescence is the theme of this chapter. His classmate Su Hang's sexual perversion, Su Yu's imprisonment for sexual impulse, a teacher-student relationship between a music teacher and a beautiful girl, his reunion with his troubled childhood idol Feng Yuqing, and his unreasonable behavior in front of the opposite sex are all vividly written.

The third chapter mainly traces the history of Sun Shi's family. The contempt for father and the admiration for grandfather, grandmother and great-grandfather run through this chapter. Among them, my grandmother fled in the war, and my great-grandfather failed to build a stone bridge on the Bettan Bridge, especially the battle of wits between my grandfather and my father for food.

The fourth chapter mainly recalls Sun Guanglin's childhood life in Sun Dang's adoptive parents' home. His adoptive mother, Li Xiuying, struggled to survive despite illness, and his strong adoptive father, Wang Liqiang, were always trapped at home. Sun Guanglin's childhood partner, National Day, left a deep impression on people.