Be always on your guard! "For, even though born in its whirl, there are dangers in New York which are sealed books to me, even now; and, you are a stranger here, after all.
"Take care of yourself! Be watchful! There will be many jealous eyes spying upon your every movement, and strange eyes at that." They entered the carriage in a constrained silence, in the early nightfall, and were soon whirled away toward the Forty-second Street Depot.

Some overhanging shadow seemed to dampen the ardor of that friendly farewell, when the gliding train bore the lawyer away from his friend's sight.
At that very instant the office boy, Einstein, darted out of the great depot's main entrance and mingled with the passers by.

"Now for Fritz Braun," he chuckled.

"She has caught on at last! He followed her to the 'Bavaria.' The lawyer is gone for good! The field is clear.

There's a twenty now in sight, and many a twenty to follow.".