Song Jiu was favored by her mother's family and married the rumored "silly" husband Ren Rongchang on behalf of her sister. She awakened her koi physique and mind-reading skills, and after getting started, she continued to have good luck. Her parents-in-law doted on her, and her husband loyally protected her. With her special powers, she discovers precious medicinal materials and ancestral wine cellars, buys fertile land at low prices, makes a fortune with her embroidery skills, and resolves the difficulties faced by her second sister-in-law, the schemes of her natal family, and the jealousy of the villagers. In the end, Song Jiu succeeded in his career, consummated his marriage with Ren Rongchang, gave birth to twins, and gained a fulfilling life.
