A teenager left on his own travels west in a kit car he built himself, and along the way picks up two Vietnam veterans, who take him on an eye-opening journey.

The state police of Troop D in rural Pennsylvania have kept a secret in Shed B out back of the barracks ever since 1979, when Troopers Ennis Rafferty and Curtis Wilcox answered a call from a gas station just down the road and came back with an abandoned Buick Roadmaster. Curt Wilcox knew old cars, and he knew immediately that this one was... wrong, just wrong. A few hours later, when Rafferty vanished, Wilcox and his fellow troopers knew the car was...

Two children persuade their father, an inventor, to purchase and restore an old car which turns out to have magical powers.