The bloodiest battle in American history is under way Its and Thomas and his little sister Birdie have fled the farm where they were born and raised as slaves Following the North Star looking for freedom they soon cross paths with a Union soldier Everything changes Corporal Henry Green brings Thomas and Birdie back to his regiment and suddenly it feels like theyve found a new home Best of all they dont have to find their way north alone-theyre marching with the armyBut then orders come through The men are called to battle in Pennsylvania Thomas has made it so far but does he have what it takes to survive Gettysburg