midnight
That the meeting was unexpected and undesired was made manifest by the anxious look which the prince shot over his shoulder after the carriage had passed . When Quentin left Paris that night with Turk and his luggage , he was not the only passenger bound for Brussels . At the Gare du Nord two men , one suspiciously like the Duke Laselli , took a compartment in the coach just ahead of Quentin . The train was due to reach Brussels shortly after midnight , and the American had telegraphed for apartments at the Bellevue . There had been a drizzle of rain all the evening , and it was good to be inside the car , even if the seats were uncomfortable . Turk and his master were the only passengers in the compartment . The watchful eyes of the former had seen several persons , men and women , pass through the aisle into which the section opened .