Early 1862. Union forces under Maj. Gen. Samuel R. Curtis drive Confederate forces led by Brig. Gen. Sterling Price out of Missouri and into Arkansas. The Confederates, now representing combined forces under Gen. Earl Van Dorn, Commander of the Trans-Mississippi District, counter-attack and strike Curtis's isolated Union army at Pea Ridge in March 1862. Despite being outnumbered and almost surrounded, the Union army wins a stunning victory. Nine months later, a new Confederate army under Maj. Gen. Thomas C. Hindman tries again. At Prairie Grove in early December, a furious and bitter battle...