The document summarizes key locations from the story: London, where the story takes place, was the largest city in the world at the time and saw growth of railroads and financial institutions. Verloc worked as a secret agent and visited his employer's building, which had many guards. Mr. Vladimir told Verloc to bomb the Greenwich Observatory. When Stevie tried to plant the bomb there, he accidentally exploded it, killing himself. After Winnie killed her husband Verloc, Ossipon abandoned her in her home, where she later committed suicide.