The orphaned Philip Ashley is brought up by his cousin, Ambrose, on his Cornish estate. The two form a strong bond, and when Ambrose’ health forces him to spend his winters in Europe, leaving Philip in charge of the estate, they both feel the separation sorely. One winter, Ambrose fails to return home from his trip to Italy, instead informing his heir that he has met and married Rachel, a distant relation of theirs. Strange and troubling letters from Ambrose soon begin to arrive, and Philip’s suspicions are aroused — he makes the journey to Italy, only to find that he is too late: Ambrose has died suddenly, and cousin…