Nathan Hayes is a religious man trying to hold onto his farm and keep his family in line. A real estate developer is trying to buy most of the farm property in the area, including Mr. Hayes family farm, in the hope that the Tennesse Valley Authority will choose the town for the site of a new dam and recreational area. The night of a terrible storm, an unidentified, glowing object crashes on the Hayes farm and with it comes a horrible curse for the Hayes family and the members of the community.

A swarm of locusts appears on the horizon near a Midwestern town and the inhabitants must find a way to destroy or divert them before the insects devour the area's valuable crops