It's now December 1942, and U-boat ace Johannes von Reinhartz is handed a new secret mission to transport three saboteurs to the US East Coast on board U-822. When his loyalty is questioned, U-612 -- with its CO Wrangel -- is sent in pursuit.Having escaped certain death out on the Atlantic, former U-612 CO Hoffmann finds shelter in New York with Sam Greenwood, who owes his life to Hoffmann. He meets sleazy German-born lawyer Berger, but will Berger help Hoffmann to return home and clear his name?Back in La Rochelle, Simone and her roommate Margot battle to secure an escape route for a Jewish family, but Forster, Head of the Gestapo, is watching their every move.