Vacaciones de verano. Mika está encantada de ver a Ostwind de nuevo. Pero luego descubre heridas extrañas en el vientre de Ostwind, para las que nadie tiene una explicación. Al mismo tiempo, Kaltenbach está en bancarrota. Con gran entereza, Mika decide inscribirse en una carrera con un premio en metálico. Sin embargo, durante los entrenamientos nota a Ostwind distraído y a menudo huye. Mika lo persigue hasta el bosque y para su sorpresa allí lo encuentra junto a una yegua. De repente, aparece un extraño chico llamado Milan que le dice que la yegua es suya y que puede ayudarla a ganar la carrera, ¿pero queda todavía tiempo para salvar Kaltenbach?
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.
After selling his soul to a sorceress Robin is killed in battle. Distraught over these horrific turn of events Marian and Little John attempt to resuscitate Robin and his Merry Men. In doing so they inadvertently have turned the one-time heroes into the living dead and worse, the ghostly reincarnations are now hunting down Marian and Little John. So the pair attempt to seek out a new potion that will free these tormented souls from their demonic possession.
