Space Pilgrims on Moon Base One are invaded by a force of X-Men. Students from Merrimac Academy of Mathematics and Science in Chicago, known as The Dolphins, travel between earth and the moon on weekends. A computer known as Quantum enables them to travel in the fourth dimension. Training includes lessons in a flight simulator, learning how to operate moon vehicles and survival camouflage games using paint ball rifles. Action and adventure on moon's largest crater.