During a snowstorm, two state troopers are investigating a crash after a woman telephoned them and are led to believe that it was a flying saucer. They follow footprints leading from the crash site to a diner, where a group of passengers from a bus to Boston are waiting for word that a bridge up ahead is safe to cross. Though the only patrons of the roadside eatery are bus passengers, there is one more person than there were people on the bus. Mr. Ross, a skeptical businessman (John Hoyt), who says he has a meeting in Boston, says the driver must have been mistaken, but he swears there were six. There is mutual suspicion among the stranded travelers, as the passengers try to guess which among them is the alien. It is suggested that the two married couples are paired off. An old man laughs