'Les Miserables' or 'The Turn of the Screw' (8)

I believe the answer is:

wretches

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'les miserables' is the definition.
Both the answer and definition are plural nouns.
Perhaps they are linked in a way I don't understand?

'the turn of the screw' is the wordplay.
'the turn of' indicates anagramming the letters (I've seen 'turn' mean this).
'the'+'screw'='thescrew'
'thescrew' anagrammed gives 'WRETCHES'.

'or' acts as a link.

Can you help me to learn more?

(Another definition for wretches that I've seen is " Poor unfortunate people".)

I've seen this clue in The Globe and Mail.

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