Werner von Basil, a Austrian intellectual, was captured by the Nazis in 1938. They want to break him to confess smuggling. Without any mental sustenance, the only thing left to keep his mind busy is an old tactics book for chess.

Hanna Amon and her brother Thomas live on an estate they've inherited from their parents. Local veterinarian Brunner loves Hanna from afar, and Thomas is in love with the daughter of the local mayor. Love, however, doesn't always mean happiness, as both Hanna and Thomas are soon to find out.