Mission: Impossible -- Fallout is a continuation of the story that Chris McQuarrie started in Rogue Nation. But there are plot threads picked up in this movie that date all the way back to Mission: Impossible 3, when we first met Julia (Michelle Monaghan), the love of Ethan Hunt's life. Early trailers hinted at the fact that Monaghan's character would return in Fallout, and those who have seen the movie know the pivotal role that she plays. But there's a subtle moment between Ilsa Faust (Rebecca Ferguson) and Julia near the end of Fallout that is never elaborated on. So during the press junket for Fallout in Paris, I took the time to ask McQuarrie, Ferguson and Monaghan what Ilsa whispers to Julia, and got the greatest responses: