Agricultural expert Liu Ruyan accidentally travels back to ancient times, becoming the true heiress of the Marquis's mansion who was left out in the cold. Just as she reunites with her family, the entire household faces misfortune and is exiled far to the northwest. Facing severe cold, food shortages, and barren land, she relies on modern agricultural knowledge and diligent ingenuity to lead her family in finding ingredients, reclaiming wasteland, and improving their lives. From being all alone to having a warm home, Liu Ruyan uses her wisdom and kindness to protect her family and help her neighbors, constantly growing through adversity and leading the whole family step by step toward a new life full of hope.