Watch Grenzgang for Free: How to Stream the Movie Online at 123Movies. . Once again, the "border crossing" is celebrated, as every seven years in the Upper Hessian town of Bergen. It is really turbulent at this folk festival, when the municipal boundaries are confirmed from old tradition and everything is upside down. For this occasion leaves Thomas Weidmann his girlfriend and flees because of his botched university career from the city of Berlin back to his native village. At the party, he meets Kerstin Werner, whose life has just come out of joint - her marriage is broken and her husband Jürgen on the jump to another, younger woman.