Our precious planet is lost and on the brink of annihilation in the beginning of the 23rd century. Thousands upon thousands of migrant tribes called Biods have descended from a distant galaxy set to clean out every inhabitant in their way. Few have managed to survive including several lucky pilots who are intent on breaking free and saving the planet. Join them on their crusade to the planet Cynosure as they gather troops to aid in fighting the vicious Biods!