
Gentleman crook Boston Blackie answers a want ad for an expert safecracker placed by Doris Macon, who claims a moral right to the safe's contents. She hires Blackie, and they break into the house where the safe is kept. Blackie blows up the safe just as owner Captain von Hoffmeier returns home. Doris disappears with papers from inside the safe, while Blackie takes phonograph records, which, when played with a special needle, reveal secrets that implicate von Hoffmeier as a German political spy.

Priscilla Dean
Doris Macon

Ashton Dearholt
Robert Melchoir

Sam De Grasse
Boston Blackie



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March 31, 1919
1h 0m
9.0
John Francis Dillon
Jack Boyle, Fred Myton
1

Universal Film Manufacturing Company
US
Sam Appel
Michael Delano

Lillian West
Mary

Fred Kelsey
Capt. von Hoffmeier
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