This film is not a murder mystery, rather, it is about the English aristocrats and the servant class, which is a tremendously interesting topic in itself. The aristocrats' snobbery and pretention is further discussed in Julian Fellowes' novel'Snobs' (Julian Fellowes : writer of this film, son of an English diplomat and is married to Princess Michael of Kent's first lady-in-waiting). The strange loyalty of the servant class, especially those who pride themselves for being the best servant (Mrs. Wilson in this film) can be observed from'The Remains of the Day' by Kazuo Ishiguro. Although this film tried to illustrate how things'might have been' among servants from what they'should have been'.
Again, an interesting film if you are interested in the way the English aristocrats lived.
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