Vivian Sterling, once a powerful cosmetics CEO nicknamed the "Iron Lady", loses her top position after a rival brand steals her company's formulas. Forced into poverty, she takes a humiliating job as a company cleaner. While mopping floors and scrubbing toilets, she discovers solid proof of the intellectual property theft and anonymously exposes the truth, bringing the dishonest competitor down.Rejecting the offer to reclaim her CEO post at first, she documents her ups and downs online under the account Cleaner's Diary, which goes viral and later becomes a bestseller Mop and Crown. She eventually returns to lead the brand with new values centered on respect and authenticity. Years later, she retires to a quiet seaside house. When Maria and her grandson Jack visit her with sunflowers, Vivian cries happy tears. Fame means nothing to her now—she has found the greatest identity: simply being herself.
