The Mystery of the Blue Room (Czech: Záhada modrého pokoje) is a 1933 Czechoslovak mystery film, directed by Miroslav Cikán.

[1] It is a remake of the German film Secret of the Blue Room (1932).

It stars Karel Hašler, František Kovářík, and Jaroslav Marvan.

[2] At a country house, to impress his girlfriend a young man volunteers to spend the night in the famous Blue Room where a notorious murder took place many years before.

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