The film hasn’t aged particularly well, and it's difficult to ignore a sense of pointlessness when watching it now, even with some noteworthy acting contributions. Dominic Guard portrays "Leo," who at just 13 is asked to spend the summer at his classmate’s family estate in Norfolk. He develops a friendship with the older sister, "Marian" (Julie Christie), and begins delivering letters—seemingly unimportant messages—amongst her fiancé, "Hugh" (Edward Fox), and a farmhand named "Ted" (Alan Bates). Guard delivers a strong performance as the boy who gradually pieces things together, becoming embroiled in this complicated situation while experiencing his own sexual development. His character’s innocent curiosity creates an appealing yet irritating quality that many viewers might have connected with at some point. The film's pacing feels uneven; it moves slowly and, surprisingly, I found Michel Legrand’s musical score to be a somewhat jarring repetition. The visuals beautifully capture the setting, and the dialogue, adapted from LP Hartley through Harold Pinter, effectively highlights differences in social standing and ingrained biases.

Source on TMDB