
Holmes and Watson in their Baker Street lodgings |

Mr. Ahrens of the Home Office explains that an important document
has gone missing. |

Ahrens asks Holmes to retrieve the document. |

At Pettibone's home, Holmes discovers that Pettibone photographed
the document onto microfilm |

As Holmes and Watson leave Pettibone's house, someone on the roof
drops a large stone, which narrowly misses them. |

Watson and Holmes on their way to the airport. |

Detective Lt. Grogan, the man in charge of the Grayson (Pettibone)
case, discusses the man's disappearance with Holmes |

A mysterious trunk is delivered to Holmes' room. |

Holmes questions the steward of the railroad club car. |

Holmes tries to figure out who the young woman is. |

Grogan and Holmes |

Looking for clues at the police laboratory |

The clues lead them to an antique shop. |

Holmes questions the salesman. |

Holmes meets the proprietor, Heinrich Hinkle, a.k.a. Stanley |

The rescue didn't go as planned. The spies have both Holmes and Miss
Partridge |

Stanley comes to Senator Babcock's office to get the microfilm |

Holmes and Senator Babcock |
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