A group of students from Leiden, the Netherlands, amongst them Erik Lanshof, Guus LeJeune, Jan Weinberg, and Alex. Robby Froost is a friend of Erik, and Esther is Robby's girlfriend. Each of them follow a different path and therefore have a different role in World War II, either as a Collaborationism or in the Dutch resistance. Part of the story is set in London, where Wilhelmina of the Netherlands has residence. The students Erik and Guus fight alongside Colonel Rafelli and soldier Susan of the Allies of World War II in London.