July 1864. Union officer Nathan Parker has been imprisoned at nightmarish Andersonville prison camp in Georgia along with his soldiers. As others die around them, Nathan and his men hatch a daring plan to allow him to escape through a tunnel and make his way to Vicksburg, where he intends to alert his superiors to the imprisonment and push for military action.
Jack O' Reilly is a 17-year-old New Englander who in 1805, sails with his parents on the Perdido Star to Cuba, his mother's birthplace, to claim the land she inherited. But for Jack, the trip that began with high hopes and the excitement of a new life, becomes a descent into violence and revenge.