After the death of his wife in a car accident, priest Graham Hess renounced his faith and left the church, now he is an ordinary farmer living on the margins with his younger brother and two children. One day Graham finds unusual sagebrush in his cornfield. It’s as if someone has squished the corn to draw some kind of giant sign in the field. And that hunch turns out to be absolutely correct. An alien civilization is planning an invasion of our planet. These signs mean that this is where the alien ships will land.