A pair of explorers venture into the Lost River Lake region to locate two missing teenagers, only to uncover an abandoned military facility and inadvertently unleash a horde of flesh-eating piranhas, bred for the Vietnam war, which threaten to wreak havoc on a nearby summer resort's lake and its unsuspecting visitors.
Piranha
Massive piranhas wreak havoc at a serene summer resort, terrorizing visitors and turning the once-peaceful waters into a bloody battleground.
