Killian Marlow has been running from his past for two years. He never stays in one place for long. That is until he comes upon the seemingly laidback, sleepy town of Autumn Falls. But Killian learns that even quiet towns hold dark secrets. Emily Porter has lived in Autumn Falls her whole life. She and her siblings live under the ever-watchful eye of their aunt ever since their parents died. The thing is, Emily, her siblings, and their friends are not human. They all have powers and are lethal with any weapon. One fateful day, Emily's secret comes out with Killian watching. Emily ends up telling him everything. Killian knows he should stay away from this deadly girl, who's frightening and intriguing, but he soon learns that your past always has a way of sneaking up on you-turning the love of your life into a scary beautiful enemy.