There's quite a lot going on in this complex thriller. Fairly quickly we realise that "Karen" (Joan Camden) is unhappily married to concert pianist "Claude" (Francis Lederer). Unfortunately, her maid isn't very trustworthy and so a note suggesting a rendezvous with a recently arrived American visitor ends up with her husband, who has no intention of letting her meet him. Amidst all these domestic machinations, local cabbie "Sponer" (Donald Luka) is dreaming of a emigrating to the USA. At this point, serendipity takes rather a menacing hand in the proceedings with "Buka" finding himself in posse...