Synopsis
In 1910 Manhattan, Victoria Van Brett, a bitter spinster heiress lives an isolated life with her sister Caroline. Her domineering urges go into overdrive when their half-brother Rip brings a new bride home to the family’s gloomy Fifth Avenue mansion, built by their late industrialist father. The title refers to a secret soundproofed chamber that the villainess uses to entrap her enemies.
Ratings
 TMDB
 6.9Technical team
Charles Vidor Directing
Jack Cunningham Screenplay
Gladys Lehman Screenplay
Elizabeth A. McFadden Writing
E. Lloyd Sheldon Producing
Production
Paramount Pictures