A Shadow's Call

This book takes place with Ariene, a fairytale girl, whose life is ordinary. Well, until her dad goes off to somewhere he will never come back from. And when she immediately has to side with a parent or grandparent, she discovers that the ones who are not chosen will die and be forgotten forever. Luckily, she is given 4 days to do so, but when a strange twist tears Ariene off her trail she realized her whole life is a lie. She has only a few days to learn what she was destined to be, before a girl her age, takes everyone whom she loves and uses it against her. Will Ariene learn in time to fight the evil, or stand with it?