Diana and Deric have an ideal marriage: they thrive in each other's company, they're funny, and they enjoy their two grown children and Deric's dotty mother; the trouble is, Diana can no longer walk and her malady defies medical diagnosis. To care for Diana, Deric is letting his business slide, but at a civic luncheon, he is seated next to Aileen Armitage, a novelist who is blind. They have a nice time, and on the sly, Diana contacts Aileen to made an odd request. Diana's declining health and her resolve bring this triangle of unlikely friends to a surprising place.
In 1950s England, slow-witted Derek Bentley falls in with a group of petty criminals led by Chris Craig, a teenager with a fondness for American gangster films. Chris and Derek's friendship leads to their involvement in the true case which would forever shake England's belief in capital punishment.
