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.

Harry and his unit reach Dunkirk, with the odds stacked heavily against them. Will they survive?

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.

Tom faces the fight of his life aboard HMS Exeter, while Harry and Lois have a more personal battle to fight.

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.

World on Fire Season 2 takes viewers from the war-torn streets of Britain deep into Nazi Germany, the resistance within occupied France, and the brutal sands of the North African desert.