The human world has been under threat for centuries from demons striving to instigate sin within mankind. To prevent the rising danger, angels are sent to earth to eradicate the demons and ensure the safety of the human race. Andromeda has been a Protector for as long as she can remember; tasked with Seeking out and destroying each and every demon target assigned to her. That is until she meets Orion, a demon unlike any she has ever encountered. His compassion and kind nature make him nothing like the malicious demons she usually deals with. Faced with a duty to her people and to humanity, Andromeda is thrown into uncertainty and confusion and, as her feelings for Orion grow, she struggles to stay true to herself. But lurking behind the powers in charge on either side are dark secrets that threaten to come to light and Andromeda is forced to learn the truth about herself and her people.