Lin Yifan, who first arrived in a big city, was striving for his ideals. He got acquainted with the humorous and sharp Cheng Siyu, the technical geek Zhang Da, the fitness expert Hao Xin, and the entrepreneurial investor Zhao Ruiyang who has always been scheming. For the sake of career and life, they work hard to move forward in the cracks. Workplace ups and downs, emotional ups and downs, friendship separations and family warmth - in a life filled with constant laughter, everyone is growing, falling and getting up again. The three volumes advance step by step, with the protagonists struggling all the way from grassroots white-collar workers to the turning point in their lives. The emotional line and the struggle line are intertwined, and each experience creates laughter and tears. Most chapters are humorous and fast-paced, and finally end perfectly with Lin Yifan and everyone working together to complete their career, find themselves, and learn to cherish life.