Business intrigue? (6)
I believe the answer is:
affair
This clue is a double definition.
'business' is the first definition.
(I've seen this before)
'intrigue?' is the second definition.
(I have seen 'Romantic intrigue ' mean 'affair' so perhaps 'intrigue' could also mean 'affair')
(Other definitions for affair that I've seen before include "Concern (maybe extra-marital?)" , "Social event or sexual relationship" , "Involvement" , "A romantic intrigue" , "See 23" .)