Ash was just another high school student, intent on living life to the fullest. Until he sold his soul to a demon to save his sisters life, and fell in love with a fallen angel. Kali has never considered herself normal. She is, after all, one of the original fallen angels, cast from Heaven in the days before mankind, and cursed to serve a dark master as repentance. Shes spent thousands of years battling that fate, and trying to regain her soul. Now the two find themselves bound together by a promise that can't be broken, tied by a blood vow stronger than life itself. Kali has unwittingly gained Ashs soul, and cannot be rid of it by any means available to her. Ash, on the other hand, cannot escape with his lifeor soulintact. But there are darker fates than being tied to a demon. Like being at the top of the Master of Darks kill list. Fighting for the fate of the world. Falling in love with the boy who will, in the end, mean your own death. It will take an alliance of the fallen angels, answers to some ancient questions, and more courage than Kali thinks she has. But the end will mean redemption. Freedom. The chance to go back home. Will Kali have the strength she needs? Will she be able to save the boy she loves? Or will she fail, and take the worldand her true lovewith her?