After the true daughter Jiang Lin returns to the Minister's Mansion, the fake daughter Pei Mianmian is overjoyed, packs her bags, and flees the noble estate to return to the market's pork stall to live a free life. However, Jiang Lin is crushed by aristocratic rules, and the two sisters go from being opposed to understanding each other. They team up to fight against their second uncle's conspiracy, resolve the fake identity recognition, the imperial marriage decree, framing by peers, and other crises. In the end, they let go of their identity obsessions and harvest the warmth and happiness of ordinary fireworks.