Part 3 of 5 of the 1978 period adaptation. With Cathy now married to Edgar Linton, Heathcliff plots revenge on Cathy for spurning him by encouraging Edgar's sister Isabella's infatuation with him. When Isabella runs off to elope with him, Cathy spirals into a deep decline that causes deep concern for her family.br br Starring Ken Hutchison, Kay Adshead, Caroline Langrishe, David Robb, John Duttine, Pat Heywood, Brian Wilde, John Golightly, Simon Massey and Kate David.