In 1942, the crew of U612, a German U-boat, embark on their maiden voyage. Meanwhile, a young woman finds herself caught between the Gestapo and the French Resistance.
In 1943, LI Ehrenberg prepares submarines for use in Kiel. Minors are recruited as crew and Wilhelm Hoffmann attends a reception. Season premiere. (S3, ep 1 of 10) Also in UHD.
As Forster investigates the Dorfmann murder in Lisbon, the U-949's new sailors get into a fight in Kiel and Swinburne attends his son's funeral. (S3, ep 2 of 10) Also in UHD.
The U-949 is endangered by Commander Buchner's orders as Forster finds a lead in a casino and makes the acquaintance of the German Bettina Gruber. (S3, ep 3 of 10)
Swinburne sets sail with a technologically upgraded ship, Ehrenberg makes a difficult decision and Forster tries to get a traitor out of the country. (S3, ep 4 of 10) Also in UHD.
After finding out the truth about his son, Wilhelm Hoffmann fights with Hannie. Ehrenberg has to say goodbye to Greta and Forster's plan goes haywire. (S3, ep 5 of 10) Also in UHD.
Swinburne's destroyer sinks two U-boats before going after U-949. Forster observes a secret meeting between Consul Gruber and the American Gardiner. (S3, ep 6 of 10) Also in UHD.
U-949 meets a Japanese boat to take on heavy cargo - gold. Wilhelm Hoffmann is invited to Lisbon and Forster reveals all to Klaus Hoffmann. (S3, ep 7 of 10) Also in UHD.
After a bomb explodes, Forster and Klaus Hoffmann are forced to hide. Wilhelm Hoffmann arrives in Lisbon, as U-949 heads towards her new destination. (S3, ep 8 of 10) Also in UHD.
As Klaus Hoffmann pursues German agent Weiss, U-949 comes under heavy fire from Swinburne's destroyers, and Commander Buchner tries a risky manoeuvre. (S3, ep 9 of 10) Also in UHD.
As the U-949 reaches Portugal, Ehrenberg returns to Kiel, and Klaus Hoffmann and Forster turn to blackmail. Season finale. (S3, ep 10 of 10) Also in UHD.