![poster](https://image.tmdb.org/t/p/w300/kGUFv0FczPDWDsJPKNHFu3jSs9i.jpg)
Moving stealthily in the background, always keeping their tracks well covered, the perpetrators of the terrible Black Secret conducted heir campaign with Michiavellian ingenuity.
The Black Secret
Action
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Adventure
1919
Adventures of an American Secret Service-girl in search of an important German secret during the war.