When an upper-class woman falls in love with a farmer in Edwardian England, a naive boy helps to keep their relationship alive by delivering secret messages between them - little realising the terrible consequences his actions will have. Period drama based on LP Hartley's novel, starring Julie Christie, Alan Bates, Dominic Guard and Margaret Leighton.

British teenager Leo Colston spends a summer in the countryside, where he develops a crush on the beautiful young aristocrat Marian. Eager to impress her, Leo becomes the "go-between" for Marian, delivering secret romantic letters to Ted Burgess, a handsome neighboring farmer.