<P>A beautiful woman - with no memory - and the people who claim to know her may not have her best interests at heart...<br><br><B>''Vera Caspary is an expert at suspense and suspicion'' <I>New York Times</I></B><br><br>Kate and Allan Royce are driving home from a party in Westport, Connecticut one night when they see a girl in a beautiful but muddied dress wandering in the road and stop to pick her up. She is suffering from amnesia, so they name her Elizabeth X and take her into their home while the police try to establish her identity.<br><br>They are left in peace, until first a couple claim her as their daughter and then a psychiatrist arrives to say that she has escaped from his clinic. What does seem certain is that she is the child of wealthy parents.<br><br>But who really is Elizabeth X, and what has happened to her?</P>