The 500,000 strong Napoleon's army moves through Russia and causes much destruction culminating in the battle of Borodino. The Russian army has to retreat. Moscow is occupied, looted and burned down, but soon Napoleon loses control and has to flee. Both sides suffer tremendous losses in the war, and Russian society is left irrevocably changed.
As Moscow is set ablaze by the retreating Russians, the Rostovs flee their estate, taking wounded soldiers with them, and unbeknownst to them, also Andrei. Pierre, dressed as a peasant, tries to assassinate Napoleon but is taken prisoner. As the French are forced to retreat, he is marched for months with the Grande Armée, until being freed by a raiding party. The French are defeated by Kutuzov in the Battle of Krasnoi. Andrei is recognized and is brought to his estate. He forgives Natasha on his deathbed. She reunites with Pierre and they marry as Moscow is being rebuilt.

　　电影史上制作精致，构思严谨的宏篇巨制。外景地多达一百六十多处！场面壮阔，气势磅礴，继承了苏联在拍摄历史题材与军事题材影片方面的传统，完美的融托尔斯泰原着精神于其中，再现了俄法战争时期俄罗斯大地广阔的历史画卷。 　　影片以1812年俄国卫国战争为中心，反映了1805年至1820年的重大事件，包括奥斯特利茨大战、波罗底诺会战、莫斯科大火、拿破仑溃退等。通过对四大家庭以及安德烈、彼埃尔,娜塔莎在战争与和平环境中的思想和行动的描写，展示了当时俄国社会的风貌。 　　影片共分四部。