Season 3 follows the fortunes of a young U-boat crew as they engage in the Battle of the Atlantic, are hunted down by an obsessed Royal Navy Commander (Ray Stevenson) and are sent on a dangerous mission to the Southern Hemisphere. Together they form strong personal alliances under the command of Robert Ehrenberg (Franz Dinda).
A diverse group of tourists on an organized trip to Lisbon find themselves investigating a murder after one of them is killed on the first morning. Set out to find the killer among the group as they visit beautiful Lisbon sites.
