Su Banxia, a modern agricultural irrigation technician, unexpectedly travels through time and becomes a peasant woman in the Great Yan Kingdom. The region is suffering from a once-in-a-century drought. She must care for the elderly and children in her household while enduring endless mistreatment from her spiteful birth family. By a stroke of fate, she acquires the Myriad Treasures Pavilion System. Relying on her professional expertise and the system's assistance, she discovers underground water sources, cultivates high-yield grain varieties, and improves farming tools. She overcomes one crisis after another, leads the entire village through the famine, clears her late husband's name by uncovering the truth about past events, and gradually guides the village toward prosperity.