In episodes 13 and 14, the war reaches a decisive new stage as the Allies prepare to launch Operation Overlord and open the long-awaited second front in Nazi-occupied France. Behind the invasion of Normandy lies an enormous gamble of planning, deception, weather, timing and nerve, with Dwight D. Eisenhower carrying the weight of one of the most dangerous military decisions in history. From the beaches of D-Day to the struggle to break through Hitler’s Atlantic Wall, the episode captures the fear, scale and sacrifice of the operation that begins the liberation of Western Europe.
The story then moves to World War II’s often overlooked Asian theater, where Allied forces and Japan fight across jungles, mountains, plains and impossible supply routes. In Burma, India and China, commanders such as Joseph Stilwell, William Slim and Lord Mountbatten face a brutal war of disease, exhaustion, monsoon terrain and relentless Japanese resistance. From the Burma Road and the deadly airlift over the Hump to the fighting at Myitkyina, Imphal and Saipan, these episodes reveal a vast and punishing conflict far from Europe’s headlines, where survival itself becomes a battle and victory demands endurance on a staggering scale.

In episodes 15 and 16, the war begins to close in on the Axis powers not only across battlefields, but inside the societies that created it. Germany and Japan face the turning tide in radically different ways: Hitler’s regime tries to preserve the illusion of normal life while driving production through propaganda, forced labor and terror, while Japan demands sacrifice, austerity and total obedience from its people as American submarines cut the lifelines of empire. As bombing raids, shortages and fear shatter the home front, the documentary reveals how nations built on conquest begin to feel the terrible cost of the war they unleashed.
The story then moves into one of the most powerful chapters of resistance in occupied Europe. As Allied armies advance from Normandy and Soviet forces push from the east, ordinary people and underground fighters rise against Nazi rule in France, Poland and even inside the machinery of extermination itself. From coded BBC messages and the liberation of Paris to the doomed Warsaw Uprising and the desperate courage of prisoners documenting the horrors of Auschwitz, these episodes show war at its most human and devastating: A struggle not only between armies, but between tyranny and the refusal to be erased.

In episodes 17 and 18, the Second World War enters its most devastating final phase as two distant battlefields become the stage for unimaginable destruction. Across the Pacific, American forces fight island by island against an enemy determined to resist to the very last soldier. Every beachhead is won at an unbearable cost, revealing a campaign where courage, sacrifice and survival are pushed beyond all human limits. As casualties mount and Japan refuses to surrender, the conflict descends into one of the bloodiest chapters in military history.
Meanwhile, the Soviet Union launches its overwhelming final offensive into the heart of Nazi Germany. As the Red Army closes in on Berlin from the east and Western Allied forces advance from the west, Hitler's collapsing regime makes one last desperate stand. Street by street, the battle for the German capital becomes a brutal struggle that seals the fate of the Third Reich. Through extraordinary archival footage and firsthand accounts, these episodes reveal how two immense campaigns—one in Europe and one in the Pacific—brought the deadliest war in history to its dramatic and unforgettable conclusion.

In the final two episodes of this series, the war enters its most devastating and transformative phase. As American forces endure the horrors of Okinawa and Japan refuses to surrender, President Harry Truman faces an almost unimaginable decision: whether to unleash the most terrible weapon ever created. The atomic bombings of Hiroshima and Nagasaki bring the conflict to a shocking end, but victory comes at a cost that will haunt humanity forever.
With the Axis defeated, the world attempts to rebuild from unprecedented destruction. Yet the alliance between the United States and the Soviet Union rapidly collapses into suspicion and confrontation. From the division of Germany and the Berlin Blockade to the creation of NATO and the Soviet Union’s first atomic test, former allies become nuclear adversaries. The Second World War is over—but a new and even more dangerous struggle has begun, placing the entire world beneath the shadow of annihilation.