Sheriff Peter Holbrook leads a simple life watching over the residents of Nowhere, Kansas, where the most noteworthy crimes are dognappings and brawls at the local tavern. He’s always had an inherent fear of the gray – the yearly spring storms that plague the area. Then one morning, a mysterious woman crashes her car just outside city limits. The tattooed stranger may not remember who she is, but Peter instantly feels a connection with her.
As the gray descends, the girl’s appearance isn’t the strangest event. Unusual behavior from the townsfolk, cattle mutilation, and death soon follow. Peter believes they are related, but only has a hunch and a prophecy from his deceased mother. With the mysteries piling up, Peter must rely on the help of their newest resident to save his sleepy town.