Thea never thought she was different. But after a vicious attack from a strange creature leaves her with strange abilities, a forgotten past and a mysterious new friend, she starts to discover secrets of her past that are dangerous and unlike any other... She is a Black Angel, a half angel, half demon species that are the mortal enemies of the Golden Angels. But her strange wings mean something, and with the enemies lurking in the city, she knows the war has only just begun...