¿How far back in time would you go to save your sister's life? Adam is living with the guilt of being responsible for his sister's death. After running away on the anniversary of her death, he finds himself transported back in time to Northumberland in the sixth century where he is mistaken for the great hero Beowulf. Caught up in a blood feud between the Angles and Celts, Adam is shocked to find that the spirit of his sister lives on in the body of another. As he struggles to overcome his own demons and fight the monsters he finds, both real and imaginary, he uncovers a plot to kill the one person who can lead him back to redemption. Can he act in time? Can Adam fight the monsters and save his sister?