A cruel plot to seize the satellite Styx, third moon of Pluto, and enslave peaceful natives, sends Captain Future and his loyal aides out on the most dangerous adventure of their careers! The Captain Future saga follows the super-science pulp hero Curt Newton, along with his companions, The Futuremen: Grag the giant robot, Otho the android, and Simon Wright the living brain in a box. Together, they travel the solar system in series of classic pulp adventures, many of which written by the author of The Legion of Super-Heroes, Edmond Hamilton.