We see the hotel thieves at work, and a man who is their victim engages Sherlock Holmes to track the criminals. Holmes takes rooms at the hotel, and the thieves, recognizing him, close up the fireplace chimney of the room. Holmes would have been suffocated but for the chance visit of some burglars who break through the window at the critical moment. He follows the thieves, a man and a woman, and in a train, during the absence of the woman, holds up the man. The accomplice, however, comes behind and trips up the detective, who is thrown out onto the railroad tracks. In a house to escape to the roof, and an exciting pistol duel takes place there. HE traces the thieves to Switzerland, and engages in a struggle with the arch-criminal, in which the latter, during the combat, falls over a precipice.
Moving Picture World synopsis