Set in the future, humans are only born with half a soul. But once they reach the magic age of seventeen, they are claimed by their "true" being - in most cases an ancestor. The twist is that this soul can either be Light or Dark and you have no choice of what claims you. A sixteen year old girl, named Seven, is preparing for her Claiming Day. But knows if she's Claimed Dark, she will die just like her mother did. Can the power of true love really save her?