Pursued by a battle cruiser, the starship of captain Exeter Galaxon crashes on the ruined planet of Skalorr and is left for dead. But the crew survive, only to immediately find themselves caught up in a battle between two factions of gigantic robot creatures, the Protectons and Terrakors, that emerge from the ground beneath their feet. The Terrakors flee the scene, and the Protectons befriend Exeter and his crew, helping to rebuild their ship. During the repairs, Narra and Zarru discover that humans can interface with Robotix to enhance their abilities, and a renewed attack by the Terrakors forces Bront to put the new discovery to the test…