(1933) is a classic pre-code mystery-horror film directed by Kurt Neumann for Universal Pictures . Set in a sprawling European mansion, it centers on a cursed room where several people have died at precisely 1:00 AM. Plot & Mystery

Walter eventually discovers the "secret"—a hidden passage used by the killer to enter the locked room. The murderer is revealed to be Tommy , who faked his own disappearance and committed the crimes out of jealousy to eliminate his rivals.

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The first suitor vanishes without a trace, leaving only an open window. Frank's Turn: The second suitor is found shot to death.

The film stars Lionel Atwill, Paul Lukas, and Gloria Stuart, the latter of whom is well-known for her role as "Old Rose" in the 1997 film Titanic .

The film is a remake of the German movie Geheimnis des blauen Zimmers (1932). Universal later remade it twice more as The Missing Guest (1938) and Murder in the Blue Room (1944).