A special train has been assigned to channel secret NATO funds from Paris to Brussels. On the French side of the channel, Arthur, a resourceful small-time crook and his pal Anatole plan to hijack the train. On the English side of the channel, Brian, a brilliant super criminal, is waiting to do the same thing. But, standing in everyone's way is Scanapicco, a gangster who wants 'the Brain' dead for more than one reason.