Kate Soffel is married to a prison warden in Pittsburgh, and is the mother of their four children. Ed Biddle is a convicted murderer awaiting execution on death row with his brother Jack. When Kate meets Eddie through her Bible readings to the prisoners, she is drawn to him, and they pursue a clandestine relationship. She agrees to help the brothers escape, and begins a treacherous journey with them to freedom in Canada.
Mrs. Soffel is a 1984 American drama film directed by Gillian Armstrong, starring Diane Keaton and Mel Gibson and based on the story of condemned brothers Jack and Ed Biddle, who escaped prison with the aid of Kate Soffel, the warden's wife.