Nobody knows why the aliens came to destroy us. But one thing is certain: their power is unmatched. Despite the brave resistance of the human race, the struggle was all in vain. Soon the aliens ravaged the earth and all we had was the last stronghold and one hope: a powerful core obtained from an alien battleship with the sacrifice of millions of soldiers. Installed with the alien core, Lightning, the prototype super fighter, is the only hope to save the world. Will we fail or will we prevail? Our destiny is up to you.