A couple of gangsters enjoy a vacation to the great outdoors. It’s the perfect time to bump off a rival thug. It’s all about a charity event. Meanwhile Blackie, Mary, and Farraday all talk about the charity racket. Mary has somehow gotten suckered into taking part in it when she helps her debutante friend, and Farraday is suspicious of her. What’s going on?
There seem to be rival gangs, all wanting a piece of the latest money maker. Blackie and Mary investigate the gambling tables, and turn up a rigged roulette wheel. Blackie recognizes the work, and goes to talk to the con man who makes these devices.
The debutante in charge of the charity is being plagued by the gangsters. What does she know? How deep is she into this mess? Dan, the gangster at the start of the show, is killing off more thugs who have become expendable. Mary finally gets to speak with the harried debutante, but doesn’t learn much. The listener learns what hold the gang has over her. It has to do withincriminating letters. The desperate debutante is at the mercy of the ruthless Dan. He wants her to put on another charity event, and run the wheel herself. Nobody would suspect such an upright citezen, right?
Blackie has his ways of figuring things out, and is on to Fancy Dan the gangster. At the same time, Mary is suspicious that her debutante friend is being forced into the racket, and makes a connection to Dan as well. With the facts out, Blackie sets out to lay a trap. Farraday bulldozes through the murder investigations, but Blackie points out the finer points and clues to help wrap things up. When Dan turns up dead, there’s another killer with an ax to grind, and Blackie knows who it is.