Starting point when films are made there? (5)
I believe the answer is:
onset
'starting point' is the definition.
(I've seen this in another clue)
'when films are made there?' is the wordplay.
I cannot quite see how this works, but
'when' could be 'on' (I've seen this in other clues) and 'on' is present in the answer.
The remaining letters 'set' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for onset that I've seen before include "First signs" , "Beginning (of something often unpleasant)" , "Assault; beginning" , "Kick-off" , "Stone (anag)" .)