Single mother Lin Yue is the company's sales champion. Ranking first in performance, she faces jealousy from colleagues due to her second-tier university degree and status as a divorced mother with a child. After intern Lu Ming's romantic confession is rejected by Lin Yue, he harbors resentment, spreading rumors in the company, fabricating photos and chat logs to sabotage client relationships, and even faking medical records to win pity. Lin Yue calmly collects evidence, fights back one by one, and ultimately exposes Lu Ming's true face in public. The company fires and blacklists him from the industry, causing Lu Ming to leave the city in disgrace. Relying on her exceptional professional skills and resilient character, Lin Yue not only keeps her job but also wins the respect of her colleagues, moving forward with her daughter.