In this thrilling series that pays tribute to classic 1950s science fiction, the vanishing of revolutionary G-Reaction engines is merely the start of humanity's terrifying demise. As unhinged alien forces assemble a fleet of flying saucers for the ultimate invasion, teenage prodigies Penny Carter and Billy Kimura team up with a covert secret alliance to rescue humanity from extraterrestrial helmet worms and their doom-bringing tentacles! Evading alien assaults and dodging disintegration rays will not be simple, but these brave youths receive aid from above as Ace pilot James and his mentor Cpt. Clayton join the battle to repel a threat beyond mortal comprehension!