At 25, Lin Mu has worked at the company for three years, quietly taking on responsibilities far beyond his job description, yet he has remained nothing more than an administrative assistant earning a monthly salary of 5,500 yuan. When the boss decides to lay him off, Lin Mu calmly accepts and begins handing over his work. As the documents from eight departments are laid out one by one, everyone discovers that he has always been the true backbone of the company. After leaving, Lin Mu uses his abilities to secure a position at a higher-level company, completing his comeback from an overlooked employee to an elite professional.