Various groups of people, both well-intentioned and otherwise, search for a buried treasure that is buried underneath a skyscraper.
Stunts
Pearl White doing her own building-climbing chaos, no safety nets.
Direction
Seitz crams more plot into 17 mins than modern blockbusters manage in three hours.
Practical Effects
Real skyscraper + real treasure hole = real insane production value for 1923.

Director
George B. Seitz
Trivia, insights & behind the scenes
This is peak 'serials' energy—Seitz and White were THE action duo of the silent era, basically inventing the cliffhanger economy.
Warren William (Mr. Jones) would become known as 'The King of Pre-Code,' making this his morally-ambiguous origin story.