Zhou Lingxin, a time traveler from the post-apocalyptic world, is reborn as a little farm girl during a year of famine. Equipped with a storage space full of supplies and a system, she searches for medicinal herbs and sells them to help support her family. She helps her family overcome hunger, build a new home, guides her second older brother in learning medicine, and supports her third older brother in pursuing his studies. She also resolves crises and helps establish a separate village and a local academy. With her intelligence and magical space, she protects her entire family and leads them toward a prosperous life.