1

Cassie had never had a home since she was kidnaped when she was elven when she is twenty five she meets her best friend Sky and after being attacked she ends up a shield agent because of her fighting skills. But when her and her sister our kidnapped and made to kill each other for having powers but Cassie and her sister Lydia have other things in there life going on and Cassie's past in coming back
Part two is when Lydia starts shield high and she starts getting stalked by A with a few friends.