An Oriental villain named Halloway is called in by wealthy oil interests who want to destroy a dam project for hydroelectric power that may threaten their profits.
Frankenstein's unscrupulous colleague, Dr. Bohmer, plans to transplant Ygor's brain so he can rule the world using the monster's body, but the plan goes sour when he turns malevolent and goes on a rampage.
It is the Christmas Holidays and reformed thief, Boston Blackie goes to Castle Theater to pick up players who will perform for prisoners that are still in prison.
Director Rowland V. Lee's wacky 1942 comedy, about an absent-minded scientist working on a secret formula at an explosives plant, stars Edmond O'Brien, Victor McLaglen, Dorothy Lovett, June Havoc, Eddie Foy Jr.