Friends flash back to a fight between pals that left one dead earlier that night in Las Vegas.

Doctor Baines has been conducting genetic experiments on piranhas and has made them virtually unstoppable. Unfortunately, his assistants, Maggie and Paul, accidentally release the hybrids into the Lost River Lake threatening to destroy everyone in their path. Can they prevent the flesh-eating piranhas from escaping into the ocean and spawning?

In the far-flung future of 2025, where man is a victim of his own technology and corporations deal to a black market that trades in human body parts, a cyborg bounty hunter is hired by a wealthy woman to find out who murdered her husband.