Ulysses S. Grant experiences many obstacles while trying to advance his Federal Army of the Tennessee southward into northern Mississippi.
Ulysses S. Grant starts moving toward the key town of Vicksburg, Mississippi, unaware that another Federal general was secretly planning to take the town with a different force.
Heated exchanges between Ulysses S. Grant and William S. Rosecrans ultimately give Rosecrans an opportunity for an independent command.
Ulysses S. Grant is given new Federal responsibilities, and a secret mission to capture Vicksburg is concocted.
John C. Pemberton takes Confederate command in Mississippi, with his main task being to defend the vital stronghold of Vicksburg on the Mississippi River.
Confederates retreating from Corinth hold firm against an unsupported Federal assault and escape to fight another day.