this was a strange film. a bit horror and certainly film noir. some fifth columnists meet and mysteriously start dying off with a japanese dagger in their hands after monsieur colomb (bela lugosi) shows up. soon the lone ranger arrives in the person of fbi agent richard dick martin (clayton moore). martin is ineffective in finding the killer as he is more interested in the niece (joan barclay) of a missing doctor and who is part of the gang. after the last man dies and and the doctor is horribly disfigured by some strange serum and the true story of the group comes out and that is where it gets interesting and weird. i would not spill it. lugosi was marvelous as the skulking killer. 
this was a strange film. a bit horror and certainly film noir. some fifth columnists meet and mysteriously start dying off with a japanese dagger in their hands after monsieur colomb (bela lugosi) shows up. soon the lone ranger arrives in the person of fbi agent richard dick martin (clayton moore). martin is ineffective in finding the killer as he is more interested in the niece (joan barclay) of a missing doctor and who is part of the gang. after the last man dies and and the doctor is horribly disfigured by some strange serum and the true story of the group comes out and that is where it gets interesting and weird. i would not spill it. lugosi was marvelous as the skulking killer. ---------------------------------Answer Question Below----------------------------------

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