15 year old Kassandra O'Claire, well known as Kacy, life is about to take a turn for the worse. Her 16 birthday is coming up and she is faced with a problem that involves a life changing situation. Given the knowlledge of a hidden city known only to the blood kin of High Priestesses and the guardians sworn to oath to protect them, and great powers she will soon inherit, she must learn to fight off an ancient darkness known as the Amarth. Something people of her kind have been doing for decades. Will Kacy have what it takes to become what she was born to be? Will she be able to find the true evil that resides in her destiny? Joining her in her adventure are Jesse Lambridge, best friend, Arexio, the sexy guardian teacher, and a mysterious spirit that seems to be watching over her every move.