In 1965, at the age of 25, Alan Ackland is sentenced to life imprisonment for the murder of a business associate. In 1971, Sylvia Barker, lonely and depressed after a failed marriage and with two young children to bring up alone, seeks a new direction in her life and applies to become a voluntary prison visitor. Several years later their paths cross.

Having left her husband, Hilary moves in with her unbalanced brother, Pink, who uses wit and humor to hide his amorous yearnings.