Retired gem merchant Peter J. Martin hires detective Dan McRae to guard a large diamond which he plans to present to his daughter Ruth on her twenty-first birthday. Notorious jewel thief Gentleman Joe overpowers McRae, however, and takes his place at Ruth's party.
Harry Carey
E.A. Locke
Rexford Burnett
Fern Foster
Herbert Russell
Marjorie Brenner
Juliette Day
Louis Morrell
William H. Power
Gregory Allen
Rolando de Castro
Hayward Mack