Scott Kinney (Johnson) is an American geologist monitoring a local volcano when the Supergator, a prehistoric alligator recreated from fossilized DNA escapes from a secret bio-engineering research center. Along the way, it eats many people, including 2 young lovers,3 drunk teens, 3 models, 2 tourists and a fisherman. It also eats Alexandra Steven, (Mary Stiefvater) and Ryan Houston (Josh Kelly)
Kinney joins forces with another scientist (McGillis) and a Texan alligator hunter (Colton). They pursue the monster as it heads down river intent on destroying a luxurious resort packed with tourists. Guns have no effect on it at all, so they plan a trap for it using a fake volcano. They lure him on to it, with the Texan alligator hunter as bait. The supergator gets him and is blown up with gas, flame and a shotgun
