Nell, the boss's daughter, uses Sherlock Holmes' detective work, to choose between the two suitors at her dad's broker's office.

Sherlocko and Watso, the world-famous detectives, are quietly ensconced in their office when suddenly there bursts in on their cogitations a railroad...

Hemlock Hoax thinks he can "put it all over" Sherlock Holmes, and his sleuthing is somewhat of a joke in the little tropical town where he lives.