Once known as both a saintess and a demon for her mysterious ability to turn back time, a powerful noblewoman saved countless lives but could never cure her own illness. After finally dying and hoping to rest in peace, she awakens 300 years later as the eldest daughter of a ruined family. Wanting nothing more than a quiet life, she soon finds herself surrounded by debts, threats, and endless trouble. Even after three centuries, it seems peace is still out of reach.