Under wraps, confidential (6)
I believe the answer is:
secret
I believe this clue is a double definition.
'under wraps' is the first definition.
(I've seen this in another clue)
'confidential' is the second definition.
(synonyms)
(Other definitions for secret that I've seen before include "Unknown or unobserved by others" , "Cloak-and-dagger" , "Cloak and dagger" , "It's not to be told" , "Not public" .)