An ex-naval intelligence officer is forced to assassinate a CEO when his daughter is kidnapped by the Yakuza.

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?

A mysterious attacker is preying on the rich and decadent set in an elite community.