As General Ulysses S. Grant arrives in Chattanooga, the tide of the battle begins to shift. With Union forces badly battered and besieged by Confederate troops, Grant's reinforcements are a beacon of hope. The stage is set for a fiery showdown as Grant readies his troops to launch a daring counter-attack against the entrenched Confederate forces, led by General Braxton Bragg. Will the Union's bid to retake the city succeed, or will the Confederacy cling to their hard-won advantage?