Loving but irresponsible dad Daniel Hillard, estranged from his exasperated spouse, is crushed by a court order allowing only weekly visits with his kids. When Daniel learns his ex needs a housekeeper, he gets the job -- disguised as a British nanny. Soon he becomes not only his children's best pal but the kind of parent he should have been from the start.
An intelligent pulse of electricity moves from house to house, terrorizing occupants through their own appliances. Having already destroyed one household in a quiet neighborhood, the pulse finds itself in the home of a boy and his divorced father.