In the summer of 1989, in Bakersfield MA, three locals suddenly disappear in a nearby hot spot, Lake Maria. When Dale Edwards, the police Chief, discovers a body from one of the missing persons, he begins to worry, and he and his crew set out to find the culprit behind the disappearances. As the locals continue to disappear, and with the summer busy season almost upon them, they begin to seek outside help in attempt to solve this mystery. With the Police and the Fish and Wildlife authorities working with each other, they will stop at nothing to find out who, or what, has been doing this. Unknown to them, there is a beast that has taken refuge in the peaceful setting, a monstrous great white, which swam up the river, 20 miles from Amity Island, and decided to stay and begin to munch on the locals. They authorities will do anything they can to find and kill this beast before it is too late.