Emerald Fennell via Associated PressThis article contains spoilers for Wuthering Heights. Wuthering Heights director Emerald Fennell is opening up about one of the biggest changes she made to the original story for her new big-screen adaptation. AdvertisementOne of the most polarising aspects of the new film involves Alison Oliver’s character Isabella, and what transpires between her and Heathcliff. In the original film, Isabella and Heathcliff’s relationship is depicted as coercive, violent and abusive, with the latter even killing the former’s dog as an act of cruelty shortly after marrying her. Advertisement“I had so much fun because it’s at that point that Isabella and Heathcliff are completely off the deep end.