Lin Wei, president of Lin Group, goes undercover as a disabled female worker at her family's seafood processing factory to investigate the dark secrets behind its treatment of disabled employees. She witnesses the management withholding workers' wages and abusing them, embezzling cafeteria subsidies, and throwing workers who report wrongdoing into the sea. After her identity is exposed, she is hunted down, but her younger brother, Lin Hao, arrives in time to rescue her. Lin Wei stages her own death to lure out the mastermind and joins forces with the police to bring down the entire criminal gang. She completely reforms the factory, restoring dignity to its disabled workers.