SHERLOCK HOLMES AND THE SECRET WEAPON (1942) Basil Rathbone, & Nigel Bruce | Horror | Colorized

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Sherlock Holmes and the Secret Weapon (1942) is the fourth in the Basil Rathbone/Nigel Bruce series of 14 Sherlock Holmes films which updated the characters created by Sir Arthur Conan Doyle to the then present day. The film is credited as an adaptation of Conan Doyle's 1903 short story "The Adventure of the Dancing Men," though the only element from the source material is the dancing men code. Rather, it is a spy film taking place on the background of the then ongoing Second World War with an original premise. The film concerns the kidnapping of a Swiss scientist by their nemesis Professor Moriarty, to steal a new bomb sight and sell it to Nazi Germany. Sherlock Holmes and Dr. John Watson have to crack a secret code in order to save the country.

The film is one of four films in the series which are in the public domain.

Synopsis

Sherlock Holmes (Basil Rathbone) pretends to be a Nazi spy to aid scientist Dr. Franz Tobel (William Post Jr.) and his new invention, a bombsight, in escaping a Gestapo trap in Switzerland. Holmes and Franz fly to London, where Holmes places him under the protection of his friend, Dr. Watson (Nigel Bruce). The scientist slips away against Holmes' instructions for a secret reunion with his fiancee, Charlotte Eberli (Kaaren Verne), and gives her an envelope containing a coded message.

Tobel successfully demonstrates the bombsight for Sir Reginald Bailey (Holmes Herbert) and observers from Bomber Command. Tobel, now under the protection of Inspector Lestrade (Dennis Hoey) and Scotland Yard, tells Sir Reginald that, although willing to provide the British with his bombsight, only he will know its secret and has a complex plan for its manufacture to keep the secret safe. He separates his invention into four parts and gives one to each of four Swiss scientists, known only to him and not to each other, to construct separately. Soon after, Holmes receives a call from Lestrade telling him that Tobel has disappeared. Holmes goes to Charlotte's flat, where he receives Tobel's envelope. Rather than the coded message, the message inside is from Holmes' nemesis, master criminal Professor Moriarty (Lionel Atwill), who is now working for the Germans.

Disguising himself as Ram Singh, one of Moriarty's old henchmen, Holmes searches the Soho district for information. He encounters two henchmen Peg Leg (Harold De Becker) and Jack Brady (Harry Cording), but is captured by Moriarty. Holmes is put into the false bottom of a sea chest, but is rescued when Watson and Lestrade observe the henchmen struggling with its unusual weight. Holmes returns to Charlotte's flat to search for clues to the message's contents. He finds impressions of the message left on a notepad page by immersing it in "fluorescent salts... and then photograph(ing) it by ultraviolet light." Holmes breaks the first three lines of a cunningly modified substitution cipher, which are the identities and locations of three of the scientists, but cannot break the fourth line, which has been altered as an added precaution.

Moriarty accidentally deciphers the code. He sends agents to abduct Hoffner, who has the brilliance to put the four parts together should Tobel not recover from torture. The German agents bring the scientist, who is actually Holmes in disguise again, to Moriarty's seemingly undetectable stronghold. Unknown to Moriarty, Holmes had the real Hoffner attach an apparatus to their car that drips luminous paint (which Watson helped prepare) at regular intervals. To stall for time, Holmes uses Moriarty's vanity and pride to trick him into slowly bleeding Holmes to death "drop by drop". Holmes is saved at the last minute by Watson and Lestrade, who, with Hoffner's help, successfully followed the luminous paint trail. Scotland Yard apprehends the spies, but Moriarty escapes.
Cast & Crew

Basil Rathbone as Sherlock Holmes
Nigel Bruce as Doctor Watson
Lionel Atwill as Professor Moriarty
Kaaren Verne as Charlotte Eberli
William Post Jr. as Dr Franz Tobel
Dennis Hoey as Inspector Lestrade
Holmes Herbert as Sir Reginald Bailey
Mary Gordon as Mrs. Hudson
Henry Victor as Dr. Frederick Hoffner

Title: The Adventure of the Dancing Men
Directed by: Roy William Neill
Written by: W. Scott Darling, Edward T. Lowe Jr.
Screenplay by: Edmund L. Hartmann
Based on: The Adventure of the Dancing Men (1903 short story) by Sir Arthur Conan Doyle
Produced by: Howard Benedict
Starring:

Basil Rathbone
Nigel Bruce
Lionel Atwill
Cinematography: Lester White
Edited by: Otto Ludwig
Music by: Frank Skinner

Production Company: Universal Pictures
Distributed by: Universal Pictures

Release Dates:

December 25, 1942 (Los Angeles, California)
February 12, 1943 (United States)
Running Time: 68 minutes (restored version)
Country: United States
Language: English
Budget: $200,000