Cara finds herself tied and beaten brutally. Just as she thought that she was about to die she survived. Now the only goal of her life is to eliminate those people who destroyed her. But what will happen when she meets a certain man. Who pushed her towards life and then brought her down to hell with him. Arthur who helps women and girls to escape from the hellhole where they are tortured and selled by those men in the underground society called "The Sonar", finds himself in a position where he can't seem to ignore a certain girl no matter what. He can't escape the warmth and wrath of the certain girl he saved. When these two forces collides will it bloom into love or hatred.