"Castle Keep" is a 1969 war film directed by Sidney Furie, set during World War II. The story follows a group of American soldiers who take refuge in a medieval castle in Belgium while trying to evade German forces. The film explores themes of survival, camaraderie, and the impact of war on human relationships. The castle itself serves as a central character, representing both a stronghold and a place of vulnerability. As the soldiers defend their position, they confront not only external threats but also their own moral dilemmas. The film blends action with philosophical reflections on the nature of conflict and sacrifice.