This extensive documentary offers a unique perspective on the U.S. Civil War, focusing on the experiences of soldiers directly involved in the fighting. By centering the story on those on the front lines, the film sheds light on the realities of the war, moving beyond common narratives. It utilizes letters, diaries, photographs, and other historical materials. The documentary is presented in several parts: "Rally Round the Flag," "Rebels at the Gates," "High Water Mark," "General Grant's War," and "Jubilation."