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?
When a well-known environmental researcher is murdered in the Amazon jungle, an arrogant photojournalist joins forces with a beautiful young activist to find out who is responsible. Along they way, they fall in love as they discover the men responsible for the killing would be more than willing to murder again if it will keep them quiet.
In this loose remake of "Forbidden World" (1982), Commander Krieger and his robot companion Tinpan are summoned by a distress call to a research facility on the planet Phaebon, and soon find themselves battling a bizarre virus and a monstrous creature inadvertently created by the scientists there.
