Raymond Redmin, a doctor from the 21st century, suddenly awakens aboard a malfunctioning spaceship. He has no recollection of how or why he ended up here, hundreds of years in the future, crashing down to the planet Mars. It has apparently been 185 years since the Earth went "silent." The colonists of Mars have since created their own society. After centuries of war, the planet is now ruled by the utopian Zeltan Kingdom, a race of genetically engineered superhumans. However, all of the disparate factions of the planet are coming to descend upon the crash site of Raymond's ship. Although his sudden appearance may yield some answers as to what has happened to Earth, war threatens to engulf the nearby peaceful settlement town of Remnant on the red deserts of the Frontier.

Raymond, along with a fearless young woman of the Frontier, noble Zeltan supersoldiers, benevolent androids, a quick-drawing cowboy, and faithful robotic fox companion, they set off on a harrowing journey to prevent the ship's technology from falling into the wrong hands. Encountering menacing cyborg pirates, experimental hordes of the undead, savage evolved beasts of a treacherous dark forest, and giant robotic humanoid battle suits called exo-mechs, these heroes are the last hope for the red tomorrow...