Paris falls to the Nazis, and Webster and Albert's lives are turned upside down.

Paris falls to the Nazis, and Webster and Albert's lives are turned upside down.

Harry has a second chance at saving Kasia from Warsaw. In Manchester, could Lois be set for happiness at last?

Harry has a second chance at saving Kasia from Warsaw. In Manchester, could Lois be set for happiness at last?

The war reaches the sands of the Egyptian desert while bombs fall on Manchester, and Harry introduces an explosive force into Robina's household.

The war reaches the sands of the Egyptian desert while bombs fall on Manchester, and Harry introduces an explosive force into Robina's household.

The war reaches the sands of the Egyptian desert while bombs fall on Manchester, and Harry introduces an explosive force into Robina's household.

The war reaches the sands of the Egyptian desert while bombs fall on Manchester, and Harry introduces an explosive force into Robina's household.

Harry struggles to adapt to the realities of desert combat and Lois longs to leave home. In Paris, Henriette is in grave danger, and in Manchester, a mysterious stranger arrives at Robina's door.

Harry struggles to adapt to the realities of desert combat and Lois longs to leave home. In Paris, Henriette is in grave danger, and in Manchester, a mysterious stranger arrives at Robina's door.

Harry struggles to adapt to the realities of desert combat and Lois longs to leave home. In Paris, Henriette is in grave danger, and in Manchester, a mysterious stranger arrives at Robina's door.

As Stan and Rajib make a hasty retreat across the desert, Marga reasserts her commitment to the Fuhrer. Meanwhile, David is in peril in the skies over France.

As Stan and Rajib make a hasty retreat across the desert, Marga reasserts her commitment to the Fuhrer. Meanwhile, David is in peril in the skies over France.

As Stan and Rajib make a hasty retreat across the desert, Marga reasserts her commitment to the Fuhrer. Meanwhile, David is in peril in the skies over France.

Kasia takes on her first assignment as an agent, and Rajib's military values are tested as he is torn between duty and ideals. Meanwhile, a familiar face comes to David's aid.

Tragedy strikes at the heart of Harry's unit as the siege drags on in Tobruk. In Manchester, Kasia is confronted by the horror of war. In France, romance blossoms.

Harry returns to Manchester, but Kasia is determined to leave. In Europe, Marga and Henriette must each make their escape, while North Africa remains brutal for Rajib.