Orphan Song Jiu is forced to marry into the rural Ren family for survival, wedded to Ren Rongchang, whom others consider simple-minded. Diligent, kind, resilient, and astute, she continuously brings good luck to the household through her own abilities, gradually becoming the family's "lucky star." Song Jiu and Ren Rongchang treat each other with sincerity and protect one another, also encountering a master of embroidery to master exquisite embroidery skills and carve out her own career. Teaming up with her simple rural in-laws, she resolves entanglements with her birth family, neighborhood disputes, and various crises, transforming from a submissive weak woman into an independent and resolute head matriarch. Working together as a family, they make an ordinary peasant household thrive day by day, composing a warm and inspiring chapter of life.