His glance happened to rest on Frank, and, after a little hesitation, he addressed him.
"Boy," he said, "do you live around here ?" "I live in the city; sir." "Then I guess you can tell me what I want to know." "I will if I can, sir," said Frank, politely.
"Whereabouts is Wall Street ?" "Close by, sir.

I am going that way, and will be happy to show you." Frank had no idea his compliance with the stranger's request was likely to have an important effect up his fortunes..