Former judo star Joo Hana marries her friend, Do Woori, and stages an insurance fraud so they can leave the country as a rich couple. Everything goes according to plan, including Woori's disappearance, and Hana finally receives the money five years later. But when she goes to meet her husband, she comes face to face with his corpse instead. As Hana tries to figure out what's happening, she gets a letter... from her dead man. With this new clue, can she unravel the mystery of his death?