On a mission to find and destroy the Ma'hars, an enemy alien tribe, Lt. Sharp (Andy Bradshaw) and his elite squad of Galactic Marines go to the icy planet of Mezzo and encounter more than they bargained for, including giant snow worms and a race of hostile cyborgs. Armed to the teeth with the most advanced weaponry available, the tough-as-nails soldiers bravely battle every new enemy that gets in their way.