Deranged (1987)

Joyce seems to have the perfect life she lives in a nice apartment with a wealthy husband is soon going to give birth to a baby boy and has all the money shell ever need But while her husband is away in London on business Joyce is attacked by a masked intruder that unleashes within her a frightened little girl haunted by her special relationship with her daddy and a crazed madwoman who is hungry for revenge From then on Joyces wild hallucinations take over and she begins to murder anyone and everyone who comes near her in a violent fit of rage