Lin Jianing came to a big city from a small city and joined an advertising company. Her life was full of novelty and discomfort. Under multiple pressures in the workplace, friendship, love, family, etc., He used humor to resolve crises. He also helped friends start businesses at critical moments, rescued colleagues from emotional crises, and gradually got out of his own confusion. The three volumes of the book each focus on different aspects of life. The stories have a compact structure and are both independent and interrelated. In the end, after Lin Jianing protected friendship, gained love, and realized self-improvement, he understood the simplicity and complexity of urban life and achieved spiritual harmony.