In the midst of the American Civil War, a brave group of Union soldiers embarks on a dangerous mission behind enemy lines. Led by the tenacious Colonel John Marlowe, masterfully portrayed by John Wayne, these men must execute an ambitious plan: to destroy a crucial supply depot for the Confederate army. The adventure begins with the risky crossing of the river, where bravery and cunning are put to the test from the very first moment.
As they traverse the hostile territory of the Confederate States, Marlowe and his group not only face the threat of being discovered but also the moral dilemmas of war. As they progress, one of the soldiers, a combat medic played by William Holden, questions whether what they are doing truly justifies the cost, grappling with the suffering and consequences of battle.
The plot is enriched with unexpected interactions and rivalries, especially with a beautiful woman who crosses their path, challenging the loyalty of the group. As the heroes draw closer to their objective, the tension intensifies, culminating in a fierce battle that tests their bond and conviction. The journey evolves into an epic tale of sacrifice and camaraderie, where each man must decide what he is willing to lose for the cause he defends. A film that not only captures the action but also the human realities in times of war.