If you're expecting some Bee Gees or Donna Summer here, then you're going to be disappointed. Indeed there's precious little disco at all in this story of "Alex" (Franz Rogowski). He and his friend "Mikhail" (Michal Balicki) have a cunning plan to get from their home in Belarus to Poland and then on to France where they may eventually gain citizenship by joining the Foreign Legion. That doesn't quite go to plan, but eventually he finds himself at boot camp and destined for a mission to Niger. It's there that the local "MEND" militia are demanding an end to the cavalier exploitation of the…