Crossword Genius

Dark story restricting fine entertainment (9)

Ross

I believe the answer is:

nightlife

I'm a little stuck... Click here to teach me more about this clue!

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

'dark story restricting fine' is the wordplay.
'dark' becomes 'night' (it's dark at nighttime).
'story' becomes 'lie' (story can mean a fabrication).
'restricting' is an insertion indicator.
'fine' becomes 'f' (abbreviation).
'lie' enclosing 'f' is 'life'.
'night'+'life'='NIGHTLIFE'

Can you help me to learn more?

(Other definitions for nightlife that I've seen before include "Entertainments after dark" , "urban activities?" , "some belated fun" .)

I've seen this clue in The Independent.
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