In 1939 German U-boat captain Günther Prien receives orders to infiltrate the British Royal Navy base at Scapa Flow and sink British warships. Dieter Eppler, Sabine Sesselmann, Joachim Fuchsberger, Harald Juhnke, Dieter Borsche, Olga Tschechowa, Horst Naumann Added on Amazon Prime 2020-12-15.