The Go-Between 1971

In those days, you fell in love with your own class. Or found a Go-Between.

Directed by Joseph Losey

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.