Billy Maguire, on his way to Scotland for a reunion with his university friends, stops for a few drinks en route. Then, on the deserted roads leading to the remote location, he manages to run over a pedestrian. The man is alive, and Billy puts him in the back seat of his car, planning to leave him outside the nearest hospital. But then the man dies--and Billy panics. He drives to the reunion with the body in the car and begs his friends for help...