ohnny, Walt, and Bruce investigate a series of animal attacks on various people. From bats attacking a woman in a car and a stampede of horses disrupting J.J.'s soccer game, to ordinary pets turning on their owners. Johnny's visions link them to a mysterious half-insane animal research scientist. They, in turn, link the attacks to a mysterious tiny sound in the air. This makes Johnny think that a great disaster is coming, and he tries to persuade Purdy to help, involving the nearby Clover Dam.

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