Russia is drawn into war with France, changing the lives of three young people forever.

As Andrei prepares for a great battle, Pierre struggles with married life.

A nervous Pierre fights a duel. Natasha and Sonya receive unexpected proposals.

Natasha is shocked by Andrei's decision to delay the wedding and travel abroad for a year.

Napoleon outrages the Russian emperor by marching his army towards Moscow.

As Napoleon marches into Moscow, the Rostovs rush to leave the city.