Charlie Chan – The Romantic Engineer. 1946.

A unique case of a woman with her husband kidnapped has a ransom note, not asking for money, but offering to pay her money. Charlie Chan and his #1 son review the details. Charlie compares notes with the Secret Service, then hits the streets to do some old fashioned police footwork.

Clues related to counterfeiters emerge, and the #1 son sets himself up as bait to contact the counterfeiters to lure them out. The danger explodes when a body is found. If the crooks recognize #1 son for who he is, will it go badly for him? For now, it’s the only thing keeping him alive, but it could kep Charlie doing the run around as he tries to investigate and find his son at the same time. Or will it? Listen in to the end as Charlie solves the crime, and tells #1 son all about it.