The central conflict emerges as the Napoleonic Wars disrupt the lives of the Russian aristocracy, forcing individuals to reconcile their personal desires with the overwhelming momentum of history. Tolstoy follows the lives of several aristocratic families—the Bolkonskys, Rostovs, and Bezukhovs—as they navigate the social and political upheaval caused by the French invasion of Russia. The protagonist, Pierre Bezukhov, seeks meaning in a world defined by both trivial social rituals and the existential horror of the battlefield. The narrative framework utilizes a third-person omniscient perspective, frequently pausing the action to provide philosophical essays on the nature of historical causality and free will. The characters are constrained by the rigid expectations of 19th-century Russian society and the unpredictable, often chaotic, progression of military campaigns.

Readers and critics frequently highlight the immense scale of the work, noting how Tolstoy balances intimate character studies with broad historical analysis. Discussion often centers on the effectiveness of the Maude translation, which is praised for its clarity and fidelity to the original Russian text. Many observers appreciate the inclusion of expanded notes and the revised introduction, which provide necessary context for navigating the complex political landscape of the era. The novel is widely regarded as a foundational text that challenges the reader to consider the relationship between the individual and the collective movement of history. Critics often emphasize that while the length can be daunting, the narrative momentum remains consistent throughout the various shifts in tone and setting.