Driven by a childhood conviction to save Britain, Winston Churchill forges a path from soldier to prime minister amid the looming threat of German forces.

Serving as PM and Minister of Defense, Churchill rallies the nation with speeches, aiming to attract US support as Hitler launches the Blitz on London.

Churchill's unyielding efforts secure US entry into the war. But to defeat Nazi Germany, he must ally with Stalin and Roosevelt to form a Second Front.

As the war ends, Churchill navigates a shifting global landscape dominated by US-Soviet tensions, decolonization and the emerging nuclear era.