The Cleansing

A father and his son walk alone through burned America. Nothing moves in the ravaged landscape save the ash on the wind and water. It is cold enough to crack stones and, when the snow falls, it is gray. Their destination is the warmer south, although they don't know what, if anything, awaits them there.

After running away from her abusive mother, a streetwise teen seeks refuge with her father, but he rejects her when he learns that she's pregnant.

A family living on a farm finds mysterious crop circles in their fields which suggests something more frightening to come.

The world is stunned when a group of time travelers arrive from the year 2051 to deliver an urgent message: Thirty years in the future, mankind is losing a global war against a deadly alien species. The only hope for survival is for soldiers and civilians from the present to be transported to the future and join the fight. Among those recruited is high school teacher and family man Dan Forester. Determined to save the world for his young daughter, Dan teams up with a brilliant scientist and his estranged father in a desperate quest to rewrite the fate of the planet.