General Van Tun Bor leads the survivors of Thark on a perilous exodus across the Red desert. The once proud race of Orovars are reduced to the survival of the fittest as the tide of barbarism begins to sweep across the face of Barsoom. At the Atmosphere Plant, Scientist Tak Nan Lee and the Red Martian Anouk face unexpected danger from Anouk's own people! The tale of Barsoom set 100,000 years before the time of John Carter continues!