 Colleen Hess (Kalember) is killed in a car accident. Her husband, Graham Hess, (Gibson) is a minister, family man, and after her death, Hess lost his faith and quit his job. Six months later, Graham is living with his brother Merill (Phoenix) and two children, (Culkin and Breslin) living in rural Buck County. When they wake up one day, they discover 500-foot long crop circles in their front-yard. The kids think it is extra-terrestrials, Merill think it s pranksters, and Graham is not quite sure. But when weird noises and movements, terrifying news reports and one of the kids buys an alien-based book, the Hess family realizes that it just might be aliens...