A profile of Gen. George Armstrong Custer (1839-76), nicknamed "the boy general" for his Civil War exploits, who died with many other members of the 7th Cavalry while battling the Cheyenne and Lakota along the Little Bighorn River in Montana Territory. The documentary details his time at West Point, where he became infamous for his rebellious nature; his relationship with his wife Libbie; his year-long suspension from the service; and the campaign against the Cheyenne that led to his death.