Sienna is an immortal girl, trapped in Earth's endless cycle of life and death after being killed by witch hunters thousands of years ago. Derek is a good boy with a wild streak, tired of his mundane small town life. But when he gets pulled into Sienna's complicated web of lives and he's doomed to watch her die over and over again he realizes that danger was always closer than he thought and he has to save Sienna, stop the mysterious hunters, protect his mother and sister while trying to stay alive.