Laurence Vanderlyn, unpaid attaché at the American Embassy in Paris, strode down the long grey platform marked No. 5, of the Gare de Lyon. It was seven o'clock, the hour at which Paris is dining or is about to dine, and the huge station was almost deserted. The train de luxe had gone more than an hour ago, the Riviera rapide would not start till ten, but one of those trains bound for the South, curiously named demi-rapides, was timed to leave in twenty minutes.
