Set against the backdrop of the early 20th century and the tumult of the Russian Revolution, the story follows John Reed, an American journalist and communist activist. Reed becomes deeply involved in labor movements in the United States before his passion for social justice leads him to Russia, where he witnesses firsthand the profound changes of the Bolshevik Revolution. His commitment to his ideals is tested as he navigates the complex political landscape, struggling to balance his ambitions with his personal life.

Reed's relationship with Louise Bryant, a feminist and fellow writer, forms a central theme. Their partnership, both romantic and ideological, is challenged by their differing commitments and the chaotic times they live in. As they move from the bohemian circles of New York to the heart of Russia's revolution, their journey reflects the struggle between personal desires and political convictions. The narrative not only explores the historical events through Reed's eyes but also delves into the emotional turmoil and the intellectual debates that marked the era, capturing the essence of a generation caught between war and the hope for a new societal paradigm.