Lin Qiang, a construction site procurement officer, has supported vegetable vendor Wang Yong for years, helping him rise from a struggling street vendor to a major market merchant. But Wang Yong repays his kindness with betrayal, supplying inferior produce, shortchanging customers, and deliberately raising prices. What he doesn't know is that Lin Qiang is the secret owner of a catering group. Lin Qiang decisively replaces his supplier and joins forces with the industry to blacklist Wang Yong. Driven to desperation, Wang Yong resorts to poisoning, ultimately getting arrested and sentenced. This story reveals the consequences of good and evil in the business world and highlights the importance of honesty and integrity.