At a class reunion, big boss Chen Yanchuan hides his identity and witnesses some old classmates currying favor with the powerful and wealthy. Maintenance worker Luo Dacheng sticks to his principles and wins the industrial park project through solid strength. Zheng Haifeng's company takes shortcuts with rule violations and falls into crisis, trying to rely on classmate relationships to find a shortcut. After the truth is revealed, everyone lets go of human favor shackles and acts according to rules, ultimately returning to a plain and genuine classmate friendship.