In 1008 AD, Dublin is just a small town, newly opened to trade now that Viking violence there has died down. A young woman named Asta runs away from her boring life in Britain on one of her father's trading vessels bound for Dublin, hoping that she and the sailor she loves can find a new life together. But when shipwreck takes him from her, her whole world changes. She is helped up the rocky shores of eastern Ireland by handsome and enigmatic Brother Martinus, who takes her to the Monastery of St. Luran's to recover. Despite his vows of silence and chastity, Brother Martinus is entranced by the beautiful maiden who seems delivered to him by Providence. Their unexpected relationship causes both of them to rethink their concepts of faith and love.