Martha Morgan has finally found love. She has agreed to marry Owain, and all the Morgan family are delighted. But just as she dares to believe she can have a peaceful life, Martha is terrified by a ghostly apparition. Further troubles await her, as an orphan is abandoned on her doorstep and a ship is wrecked on the rocky coastline nearby. Then, Owain, her anchor, disappears. For the first time since Martha has become mistress of the estate, Plas Ingli is in serious trouble. It is up to Martha to lead her family out of dark times - and it will test her to her limits.