Bean Fragrance Lingers Around the Beams tells the story of Su Hong, who accidentally finds an ancestral ancient book and starts a tofu business using traditional methods. She sticks to her original intention of integrity and establishes a firm foothold in the market through top-notch quality. Her once-cowardly husband silently protects her from behind, and her unruly brother-in-law wakes up to reality after experiencing hard lessons. With her own hands, Su Hong builds a family business out of soy products, and her two daughters grow up to be intelligent and accomplished. The family endures wind and rain while embracing each other; as the millstone grinds through the years, hardships ultimately brew into a pure, sweet bean fragrance.