When multi-millionaire banker John Argyle is found brutally murdered in his home, suspicions are cast upon Mary Mazuret, his adopted daughter who became the sole beneficiary of his estate under his will, Argyle having quarrelled with his son Bruce. Just as the case begins to look black for Mary, Asche Kayton, a great private detective, is called in by Bruce and takes hold of the investigation.
as Asche Kayton
as John Argyle
as Mary Mazuret
as Frederick Kreisler
as Joe Manning
as Bruce Argyle
as Nan Thornton
as Inspector Dougherty
as Nellie Marsh
as Finley
as Mr. Hurley