Lin Fan worked hard in the city with his dream, working as a courier and working part-time, but unexpectedly met white-collar Zhao Qing, entrepreneur Meng Hao, barista Zhou Ni and others, and gradually became involved in multiple intertwined urban story lines: workplace struggle, entrepreneurial differences, family conflicts, love entanglements and neighborhood warmth. The three major volumes respectively depict the protagonists' dreams of struggle, emotional growth and family reconciliation, and finally find the meaning of life in the city's fortress. The story has a tight and changeable rhythm, and the humor and warmth are mixed with realistic challenges and inner growth. Everyone is looking for their own "express life" in the city.