After losing both parents, Emma seeks to avenge her sister Helen—who met a tragic end—and is recruited by Roger, the older brother of her nemesis, Stephen. Roger trains her to become the perfect double of his late mother, Elisabeth, and infiltrates her into the family of his enemy, Martin. As the revenge plot unfolds, Emma falls for Roger, while he, too, finds himself hopelessly captivated during the training process. Together, they dismantle the Kane family while grappling with an agonizing conflict between morality and their feelings, ultimately rebuilding their lives amidst the ruins of their vengeance.
