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A diamond is stolen at a houseboat party given by the district attorney. He gives the thief a chance to return it by putting an empty box on a table and turning out the lights. When the lights are turned back on the box is gone, and the district attorney has a knife in his back and is quite dead. The police and the coroner arrive. There are several attempts made on the life of the coroner. Ruth Whitman is found hiding in a grandfather-clock, holding the gem box. She claims the box was pushed into her hands and she was pushed into the clock. The district attorney's butler/valet tells the coroner he saw who killed his employer and a few minutes later he is also murdered. The mystery deepens.
as Mr. Green
as Mr. White
as Mr. Black
as Inspector Brown
as Dorothy
as Grey – a Valet
as Reporter (uncredited)
as Milkman "Juror" (uncredited)
as Party Guest (uncredited)
as Party Guest (uncredited)
as "Jury" Foreman (uncredited)
as Party Guest (uncredited)
as Hot Dog Salesman "Juror" (uncredited)
2013
2024
1971
2023
2021
1980
2010
1994
1993
2008
