Signs (2002)

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Preacher Graham Hess, played by Mel Gibson, has lost his faith in God after his wife dies in a brutal car accident. He along with his son and daughter and his brother Merrill moves into a farmhouse. Crop circles begin to appear in their corn fields which Graham dismisses as mischief by miscreants. After hearing strange noises and watching news coverage on crop circles appearing all over the world, the family begins to suspect of extraterrestrial activities. Now they must stick together and believe, as a family to survive the ordeal and find a way to escape from the clutches of the alien invaders.