This is the last of the Mr. Wong series. Keye Luke takes over the role of Mr. Wong from Boris Karloff, who had played the part in all the earlier films. This makes Wong the only Asian detective in a Hollywood film of the period to be played by an Asian actor.
The Mr. Wong films all seem to be in the public domain, which means any distributor can legally sell copies without paying royalties. Beware. Some small distributors market copies of public domain films with poor picture and sound. Others are more reputable and deliver good transfers of the best available prints. Shop around.
Researcher James Lee Wong is on the scene as archaeologist Dr. John Benton, recently returned from an expedition in China where a valuable ancient scroll was recovered, is murdered while giving a lecture on the expedition.
