It tells the story of Lu Xingchen, who came to work in a big city from a small town, and faced workplace crises, trivial matters in life, and conflicts between dreams and reality with his friends, colleagues, and girlfriend. He continued to grow through laughter and tears, misunderstandings, and reconciliation, and finally found his original intention and gained his own happiness. The three volumes respectively focus on workplace adaptation, the impact of old and new connections, and self-breakthrough after facing the pressure of metropolitan life. The book has a compact structure, climaxes one after another, sincere emotions, humorous language, and vivid and flesh-and-blood characters.