Alec Guinness walks into a bar where he encounters his doppelgänger. They might be twins. His "Barratt" character is a teacher of French at an British university, his mirror image an impoverished local aristocrat. The two drink together, then end up sharing the latter man's hotel room. In the morning, "Barratt" wakes up and there is no sign of his roommate. Next thing, a chauffeur arrives and, assuming he is the aristocratic version of himself, takes him to their chateau where he meets the (his) family. Clearly he is being manipulated, but why and by whom? It does not take him long to realise t...