An ancient prophecy divides two sisters- One good... One evil... Who will prevail? Twin sisters Lia and Alice Milthorpe have just become orphans. They have also become enemies. As they discover their roles in a prophecy that has turned generations of sisters against each other the girls find themselves entangled in a mystery that involves a tattoo-like mark their parents' deaths a boy a book and a lifetime of secrets. Lia and Alice don't know whom they can trust. They just know they can't trust each other.