 In eighteenth century France, the evil Prince de Montrale (Harry Plimmer) falls in love with Liane (Maud Fane), but she runs away from him and seeks refuge in a monastery.The prince finds her and orders the abbott to keep her in custody.A young novice, Brother Paul (Percy Marmont), is placed in charge of Liane and falls in love with her, despite having just taken his vows of celibacy.