Whilst on a holiday to New York to visit the newly unveiled Statue of Liberty , Sherlock Holmes and Doctor Watson are taken on a tour of an amusement park by Thomas Harding Jones, a Pinkerton agent and friend. But Holmes recognises things are not as they appear, and when a train on the largest roller coaster in the park returns to the station with a missing man, it falls on the two detectives to discover how this lone rider could have disappeared…