Technician Lu Yuan and his brother Zhao Qiang spent three years working together to develop a core system that brought their company to the brink of going public. But Zhao Qiang betrayed him, replacing Lu Yuan's promised 30% equity stake with experience cards as dividends to humiliate him. Lu Yuan resigns and withdraws his personal patents, bringing the company to a standstill. He then produces evidence to fight back against the smear campaign, demands compensation, and freezes the other party's assets. Zhao Qiang turns to powerful investor Qian Wansen, who orchestrates a citywide blockade against Lu Yuan. In response, Lu Yuan makes his system freely available to everyone, breaking their monopoly. The villains try one dirty trick after another, but every scheme fails. Finally, the two fraudsters falsify financial records in an attempt to go public and swindle investors. Lu Yuan exposes their crimes in front of everyone, sending all the villains to prison while his technology benefits the public.