Heeran Kang had one goal: vengeance. She was murdered in her first life and is abused in the next by her stepmother, but meeting her gentle nanny puts Heeran's revenge on hold...until her stepmother murders her nanny. Guided by insight from her first life, she makes alliances and moves to the Prison of Abyss. There, she is shown unexpected kindness. Will she fulfill her vengeance, or can she honor her nanny another way, and live a good life?