Zhou Qihang runs a cold-chain loading and unloading team and insists on safe working practices. However, after refusing to raise wages, he watches as experienced workers leave for Shengda Cold Storage, lured by its higher pay. Behind the attractive wages lie layer upon layer of performance assessments, hidden deductions, and unpaid salaries, eventually leading to a workplace accident. Armed with evidence, Zhou Qihang helps the workers fight for their rights, makes the boss, Ma Zhenshan, pay the price, and protects the business he has built.