Union troops are besieged in both Chattanooga and Knoxville. In the East, federal army forces, in tandem with naval forces, are hopping from island to island near Charleston, in an unsuccessful attempt to conquer the city. Troops were also on the move in the West. General Grant wants to take Galveston and the rest of Texas. There are successes and failures on both sides as the war moves into 1864. Fierce battles are yet to come.