The fourteenth and final film in the Colombia Boston Blackie series, and another fun tale.
Boston Blackie (Chester Morris) is an obvious murder suspect after the proprietor of a laundry is found dead just after Blackie was seen leaving the premises. However, as Blackie begins to investigate the crime (well officially Inspector Farraday (Richard Lane) is investigating the crime but of course Blackie is the one who does it really!) he begins to uncover an incredibly complicated conspiracy involving smuggled diamonds, fake tours of Chinatown and a movie theatre...
So, this is a fine film with a complicated fast moving plot which packs a lot into an hour long run time. It maybe tries to pack in a little too much perhaps. The fake tour of Chinatown with it's staged "Oriental intrigues" is hilarious.