When two wealthy old buzzards - Ronald Squire and Wilfrid Hyde-White espy the poverty stricken American "Adams" (Gregory Peck) they invite him into their home and give him an envelope. He is promised it contains money and so he promptly sits down to a much needed meal. When payment is duly demanded, he reveals the contents of the letter. A £1,000,000 pound note. It's real, but nobody can cash it. Nobody has the change. Indeed, quite quickly he discovers that the very sight of the thing is sufficient to open doors of credit at just about everywhere in London. A swanky hotel, fine tailoring…