She is unable to go through with it , but when Marsh runs off , he is surprised by Thomas Turner and plunges off a steep cliff to his death .
She plots to lure Marsh to a beach house and poison him .
She is unable to go through with it , but when Marsh runs off , Marsh is surprised by Thomas Turner and plunges off a steep cliff to Marsh 's death .
She plots to lure Marsh to a beach house and poison him .