Mr. Moto Takes a Vacation (1939)

A young and handsome archaeologist discovers the crown of the Queen of Sheba, and returns with it to a San Francisco museum where it is put on display. Its safety is in doubt as many criminals want the crown -- an international pair of criminals, a San Francisco gangster and his cohorts, and a super criminal known as Metaxa. Mr. Moto is forced to postpone his vacation while he deals with the threat.