Half a century after the Red Faction resistance freed Mars, the red planet again becomes a battleground. Colonists struggle for survival in the underground mines after the surface is rendered uninhabitable. When Darius Mason, grandson of revolution heroes Alec Mason and Samanya, unknowingly releases a long-dormant evil, Armageddon is unleashed on Mars. As settlements are torn asunder, only Darius and the Red Faction can save mankind.