Dr. Cream's wax museum hosts a weekly "Crime League" radio broadcast: renowned detectives revisit famous unsolved crimes and debate various solutions.
Charlie Chan reluctantly accepts a challenge to appear on the program to discuss the controversial Rock Case—which culminated, he has long been convinced, in the execution of an innocent man. Little does Mr. Chan know that he himself is now being set up
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Sidney Toler is excellent as the master sleuth in this prime Charlie Chan mystery, one of the series' most memorable. It's a mostly serious Chan we see here—unflappable, quick thinking, even gutsy—and Toler appears to inhabit the character effortlessly.
Sen Yung is good as usual as Jimmy Chan—sneaking in, snooping around, making himself invaluable despite his pop's protests.
Marc Lawrence is the escaped murderer out to get Chan for helping convict him; C. Henry Gordon the shady Dr. Cream, wax dummy creator and sometime plastic surgeon; Joan Valerie the museum assistant who doesn't mind gangsters hiding out in the basement but argues that a murder on the site will ruin their whole setup.
The "crime museum" provides a suitably spooky atmosphere, and a convoluted enough plot keeps viewers as well as detectives guessing who is who. Definitely a top notch Chan mystery.