During the last winter of the Civil War, cavalry officer Amos Dundee leads a contentious troop of Army regulars, Confederate prisoners and scouts on an expedition into Mexico to destroy a band of Apaches who have been raiding U.S. bases in Texas.

• 在美国内战期间的最后一个冬天,骑兵少校邓迪带领一支引起争论性的正规军队兵，联邦囚犯和侦察员，去远征墨西哥，目的是杀死一批亚帕基印第安人，因为他们常常劫掠美国在得克萨斯的基地。