This book is set in modern Beicheng and revolves around the stumbling and ridiculous growth process of five young people with different personalities in urban life. After Xie Ye first entered the society, he met Qin Yang, Lin Siran, and Chen Guozi by chance. The group of people supported each other and cheered each other between complex reality and ideals, emotions and trivial matters. The three volumes respectively focus on the confusion and exploration when first entering the workplace, the outbreak of conflicts in interpersonal emotions, and the final reconciliation and transformation. Everyone encounters the impact of family and reality, and strives to find the meaning of life. In Beicheng, they walked between small rental houses, subways, night markets, offices and cafes, witnessing dreams and loneliness, love and friendship, parting and growth. Humorous life details and compact events are connected into a movement of ordinary people's struggle. In the end, everyone embraced urban life in their own way and learned to reconcile with the world.