nancy gilman. visiting her and her husband at the moment. what about mrs. gilman? mr. mason, mrs. gilman is being blackmailed. and you, being her friend, want me to do something about it? yes, sir. that's why i'm here. i want to know what's in her past so that we know what hold a blackmailer has over her. do you know who the blackmailer is? yes, sir, i do. a private detective named vera m. martel. she has an office in las vegas. i'd like to know a little more about nancy gilman -- about her husband, for instance. well, mr. gilman was married before. he has one daughter, muriell. she's 20. he married again, and the second wife, nancy, has a daughter by a prior marriage -- glamis -- glamis barlow. i'm very fond of the entire family and particularly the two daughters. they're as different as night and day. but where mr. and mrs. gilman are concerned, they're duplicate and devoted daughters. but you think there's something in mrs. gilman's past which would lay her open to blackmail. mr. carter, perhaps