Deep in the heart of the Confederacy, Andersonville is the last place a Union soldier wants to end up during the American Civil War. Only opened for 14 months it's the deadliest American prison, becoming the final resting place for over 12,000 men. Dorence Atwater creates a secret list which later becomes instrumental in marking gravestones at the historic site. The renegade General George Stoneman attempts to liberate the horrendous prison. And a vicious prison gang known as "The Raiders" terrorizes their brothers-in-arms.