The Sculptress 1996 on netflix

When author Rosalind Leigh is assigned to write a book about the life of Olive Martin, a woman sentenced to life in prison for killing her mother and sister, she develops a relationship with Olive and is soon convinced of her innocence. With the help of restaurant owner and former policeman Hal Hawksley, she sets out to prove it and undo what she sees as a miscarriage of justice.