Safely back from the bombing mission, Pug Henry begins to realize the strength of the mutual affection he and Pamela Tudsbury share for one another. Any plans to spend some time together are cut short when Pug is ordered to wrap up his affairs in Berlin and return to Washington for a new assignment. Rhoda Henry takes her relationship with Palmer Kirby a step further when they spend the night together at a country inn. Natalie and Byron meet in Lisbon and decide to get married. They too have very little time together when Byron's submarine is ordered to sea. Adolf Hitler decides to cancel Operation Sea Lion, the planned invasion of Great Britain, and focus his efforts against what he perceives as the greater threat: Russia.