John Carter is a war-weary, former military captain who's inexplicably transported to the mysterious and exotic planet of Barsoom (Mars) and reluctantly becomes embroiled in an epic conflict. It's a world on the brink of collapse, and Carter rediscovers his humanity when he realizes the survival of Barsoom and its people rests in his hands. Transported to Barsoom, a Civil War vet discovers a barren planet seemingly inhabited by 12-foot tall barbarians. Finding himself prisoner of these creatures, he escapes, only to encounter Woola and a princess in desperate need of...