The phrase "behind the scenes" refers to activities, events or actions that occur out of public view or outside of mainstream awareness. Full definition
I think the management are guilty of looking at short term financial savings, maybe because there are things going on behind the scenes of which we are all unaware. (arsenalarsenal.net)
A lot can happen during production but our experienced team working behind the scenes at home and on location are well equipped for whatever is thrown at them. (kickstarter.com)
Are you a video game enthusiast and want to get an exclusive behind the scenes look at the industry? (igda.fi)