The "twisted tree" is a blackthorn branch, picked by Tansy Penderil, a naive young Cornish girl, on the same day she meets the handsome but diabolical Roger Chailey in the woods for the first time. But it is not the only souvenir of their encounter: eighteen years later, Tansy's son, David, is the living image of Chailey, sharing not only his father's good looks but also his immoral ways. David's resemblance to her first lover triggers powerful...