When the president of Russia suddenly dies, a man whose politics are virtually unknown succeeds him. The change in political leaders sparks paranoia among American CIA officials, so CIA director Bill Cabot recruits a young analyst to supply insight and advice on the situation. Then the unthinkable happens: a nuclear bomb explodes in a U.S. city, and America is quick to blame the Russians.

A sheltered Amish child is the sole witness of a brutal murder in a restroom at a Philadelphia train station, and he must be protected. The assignment falls to a taciturn detective who goes undercover in a Pennsylvania Dutch community. On the farm, he slowly assimilates despite his urban grit, and forges a romantic bond with the child's beautiful mother.

Jack's lavish, fast-paced lifestyle changes one Christmas night when he stumbles into a grocery store holdup and disarms the gunman. The next morning he wakes up in bed lying next to Kate, his college sweetheart he left in order to pursue his career, and to the horrifying discovery that his former life no longer exists. As he stumbles through this alternate suburban universe, Jack finds himself at a crossroad where he must choose between his high-power career and the woman he loves.

After an encounter with UFOs, an electricity linesman feels undeniably drawn to an isolated area in the wilderness where something spectacular is about to happen.