The Graveyard (1974) (Aka Persecution) (UK-import)
Carrie (Lana Turner) suffers crippling injuries after she is pushed down the stairs by her husband, who has discovered she has been unfaithful to him. Left alone to cope with her disability, she takes out her bitterness on her son - the product of her illicit affair. After a period of intense psychological torture, the son can take no more, and sets out to wreak his revenge.