Toby is a contract killer, a traumatic event in his childhood crushed his faith and his aspiration to become a priest. Now, his is a soulless killer living with his burden of guilt. Enter Malchiah, a seraph who offers Toby the chance for redemption. Once he accepts the offer Toby is transported back to 13th-century England and takes on the role of a Dominican Friar. In this new guise he is charged with the protection of a Jewish couple who are wrongly accused of murdering their own daughter for entering a cathedral on Christmas day