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.

Compassionate small-town lawyer Richard Clarke moves to New York City to seek his fortune, but is unsuccessful until he takes a friend's advice and tries to convince the world he's a ruthless heel. Suddenly he's the most popular lawyer in town -- but he could lose his fiancée.

While an escaped convict, Moose Malloy, goes in search of his ex-girlfriend Velma, police inspector Michael O'Hara attempts to track him assuming him to be a prime suspect for a number of mishaps.

Two writers, friends since childhood, fight over their books and lives.

During WWII, an executive and his secretary arrive in Washington, DC on business but, because of the housing shortage, are unable to find hotel rooms. In desperation, they pretend to be married and hire themselves out as a butler and maid in order to secure lodgings. Comedy.

On a trip to visit his parents, detective Nick Charles gets mixed up in a murder investigation.

A simple Connecticut farm girl is recruited by a distant relative, an aristocratic patroon, to be governess to his young daughter in his Hudson Valley mansion.