Madge Clayton, a society girl, mysteriously disappears. The police suspect a master criminal is behind the girl's abduction, but her brother, Bob, and fiancé, Bert Moore, help with the search. They unearth a scheme to kidnap another girl, Natalie Van Cleef, and the evidence takes Bob and Bert to an estate on Long Island.
Edna Murphy
Natalie Van Cleef
Jack Mulhall
Robert 'Bob' Clayton
Constance Bennett
Madge Clayton, his sister
Bradley Barker
Bert Moore
Frank Lackteen
Dr. Vining
Frances Landau
Mrs. Fawcette
Harry Semels
Ivan Invanovitch
Tom Goodwin
Police Inspector Cabot
Paul Porter
Paul Mannering, The Emperor
