A European royal couple come to New York to sell some of the royal family's crown jewels. A gang of international jewel thieves is planning to steal the gems, so a private detective is assigned to guard them. Unfortunately the private eye turns out to be a bumbling, inept fool--or so everyone thinks.

"Ed Wynn, a rubber heeled "gumshoe" and Chester Conklin, the master mind of crookdom! Look at this team and scream with laughter!"