Schermerhoorn (1967)
A Young man is interested in the girl next door, but also discovers that he is not insensitive to a boy, with whom he has dress-up parties in the attic and plays in an old bunker in the dunes.
A Young man is interested in the girl next door, but also discovers that he is not insensitive to a boy, with whom he has dress-up parties in the attic and plays in an old bunker in the dunes.