The story revolves around Estelle, an incomparably professional long-haul pilot\/captain who leads a perfectly structured life alongside her loving and protective husband Guillaume. Everything seems to be going well, although the endless flights and bouts of "jet lag" are beginning to upset the young woman’s biorhythms, especially her sleep. One day, in a corridor in Nice airport, she randomly crosses paths with Ana, a photographer she’d had a passionate affair with twenty years earlier. Estelle has no way of knowing that this reunion will suck her into a nightmaresque spiral and lure her life into irrationality...
