Out of kindness, Su Hui helps bring lunch for her daughter's classmates, but Zhang Li lures the parents away by offering free meals, then turns around and demands compensation for the price difference. After taking over, Zhang Li cuts corners and serves inferior food, causing the children to suffer from diarrhea. When the parents come crawling back and ask to make amends, Su Hui firmly refuses. Determined to clear her name, Su Hui opens a children's meal stall and exposes Zhang Li's impersonation and plagiarism, finally cutting ties with this toxic relationship and building a fresh start through her excellent cooking.