Literary force, but contrived plot, cold stuff (7,6)
I believe the answer is:
thought police
'literary force' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.
'but contrived plot cold stuff' is the wordplay.
'but' becomes 'though' (I've seen this before).
'contrived' is an anagram indicator.
'cold stuff' becomes 'ice' (I've seen this before).
'plot' is an anagram of 'tpol'.
'though'+'tpol'+'ice'='THOUGHT POLICE'
Can you help me to learn more?
(Other definitions for thought police that I've seen before include "PC monitors" , "Orwellian monitoring force" , "1984 body requiring absolute conformity" .)