Book excerpt: The story of an all-black regiment's assault on the impregnable Fort Wagner in the Civil War, an act of extraordinary courage that changed hearts and minds in America for ever THE AMERICAN CIVIL WAR. 1863. On a cold beach in South Carolina, the soldiers of the 54th Massachusetts Regiment are marching into battle. Their mission: to capture the impregnable Fort Wagner. The odds are heavily against them, and the stakes could not be higher - they are one of the first all-Black regiments in the Union Army, and all of America is watching them. Among their ranks is William Harvey Carney. A former enslaved man who escaped to the North, he knows what a precious thing freedom is. So when the bugle sounds, and the regimental flag is hoisted high, William charges towards the guns.