During the US Civil War, Union POWs escape in a balloon and end up stranded on a South Pacific island, inhabited by giant plants and animals. They must use their ingenuity to survive the dangers, and to devise a way to return home. Sequel to '20,000 Leagues Under the Sea' .
A Union Cavalry outfit is sent behind confederate lines in strength to destroy a rail supply center. Along with them is sent a doctor who causes instant antipathy between him and the commander. The secret plan for the mission is overheard by a southern belle who must be taken along to assure her silence.
After a card game, Southerner Owen Pentecost finds himself the owner of a Denver hotel. Involved with two women, he then has to make even more fundamental choices when, with the start of the Civil War, he becomes one of a Confederate minority in a strongly Unionist town.
