DAS BOOT:
SEASON 4

After a shared tragedy, siblings Klaus (Rick Okon) and Hannie Hoffmann (Rosalie Thomass) find their way back to each other, and each find their own causes for which to fight. The series takes us to Italy, where Klaus  ravels to Naples on a secret mission to change the course of the war. On the German homefront, Hannie fights to help the many orphans who have become victims of the war, and along the way uncovers infamous machinations of the Nazi Reich.