A lonely tow-truck driver gets caught in a deadly struggle between a pair of bank robbers with a beautiful hostage, local cops, and a monster that has come down from the Arizona mountains to eat human flesh.

While Isabel is babysitting her three-year-old half brother Tommy at the park, the unthinkable happens: she takes her eyes off of him for only a moment, and he vanishes. Losing Tommy creates a rift between Isabel and her parents, mad