In a tributary of the Amazon, a monster – half-man, half-fish – is captured and placed in a reservoir in a Florida national park to be observed by scientists.
Released from captivity in Vietnam, two American Army officers return to civilian life and discover they have acquired an insatiable taste for human flesh. A city is terrorised... as they stalk the inhabitants to satisfy their primitive appetites.
A group of college students accidentally see a local redneck kill his wife's lover. A deadly game of cat-and-mouse ensues, with the students trying to escape the area while the killer sets out to eliminate the witnesses who can tie him to the murder.
