“Candy Matson” was one of the few solo female private eyes of radio’s Golden Age. Based in San Francisco, she may look like a pinup and have the most sultry voice on the airwaves, but she’s smart, tough, and fast-talking.  Then it’s time to visit “Duffy’s Tavern.”  It may not be the place where everybody knows your name, but close enough. Archie falls for a get-rich-quick scheme to patent electricity.