Loch and his sister are psyched to travel with their scientist dad to a remote lake. While they’re out on the tranquil water, a hideous beast explodes from the deep in a deadly attack. The isolated lakeside town is terrified, and a greedy businessman comes up with a ruthless plan. But Loch discovers that the prehistoric reptiles only strike in self-defense. Risking his life—and the lives of his family—will Loch save the creatures from being destroyed?