Shen Yanchuan, chief project engineer, is secretly photographed and falsely accused by Gu Chengze, the client's site supervisor, while eating a Shaxian chicken leg rice meal during his lunch break. To protect the contract, his company forces him to apologize, but he angrily resigns. Soon afterward, the project suffers a major accident caused by Gu Chengze's incompetent interference, leaving everyone helpless. By then, Shen Yanchuan has joined rival Ya chen Group as its chief engineer representing the client, and senior executives from his former company come begging him for help. He turns the crisis around, exposes the conspiracy, earns respect, and finds love and career success. The story highlights the importance of professional expertise and integrity.