The stage is set for the ultimate battle in the animal kingdom when a scientist creates a creature that is half pterodactyl and half barracuda, a Pteracuda. However, just as he achieves his goal, the creature escapes. As it runs rampant, destroying everything and everyone in its path, the scientists realize there is only one thing that can stop it -Sharktopus! Sharktopus vs. Pteracuda! Only one can survive.