Su Wan partners with her in-laws to run a hotpot restaurant using her ancestral beef-tallow stir-fry recipe, earning two million yearly. Yet her sister-in-law drives her out with falsified accounts. With all her savings, she launches her Wanji hotpot base brand. From door-to-door rejections to surging orders, from slander and inspections to clearing her name, she expands nationwide. Her abusive in-laws collapse after repeated misdeeds. Su Wan becomes the rock for herself and her mother.