剧情介绍
当波士顿·布莱基的私人侦探朋友乔·肯扬在可疑的情况下死于车祸时，布莱基向肯扬夫人提出让他在一个由富有的卡特夫人举办的派对上担任保镖。卡特夫人拥有世界上最昂贵的珍珠项链之一。卡特夫人在舞蹈教练伊戈尔·博里奥的陪同下款待客人时，项链不见了。法拉迪探长被叫了进来，在他的口袋里发现了珍珠(这并不奇怪，因为布莱基总是他的第一个嫌疑犯)。在对卡特夫人的侄女多丽丝·布拉德利的公寓进行搜寻时，布莱基再次发现了藏在多丽丝的朋友琼·豪厄尔外套衬里的珍珠。琼·豪厄尔参加了那次派对，并爱上了博里奥。在调查博里奥的过程中，布莱基得知这位舞蹈演员的秘书桑德拉·多雷与南部一起珠宝抢劫案有关。他给他们设了一个圈套，只是为了……
When Boston Blackie's private detective friend Joe Kenyon is killed in an auto crash under suspicious circumstances, Blackie makes an offer to Mrs. Kenyon to take his place as a guard at a party given by the wealthy Mrs. Carter, who owns one of the world's most expensive pearl necklaces. His friend Runt goes along also. The necklace disappears while Mrs. Carter, accompanied by her dancing instructor Igor Borio, entertains her guests. Inspector Farraday is called in and finds (not to his great surprise as Blackie is always his first suspect) the pearls in Blackie's pocket. Blackie and the Runt make a hasty exit. Searching the apartment of Mrs. Carter's niece Doris Bradley, Blackie finds the pearls again, hidden in the lining of a coat belonging to Doris' friend Joan Howell who had been at the party and is in love with Borio. Investigating Borio, Blackie learns that the dancer's secretary, Sandra Doray, was connected with a jewel robbery in the south. He sets a trap for them, only to ...