The third season begins when the Border Guard stops two migrants who have tried to flee Poland to Ukraine. Following them, Rebrow unexpectedly discovers the crime scene. Violent assassination echoes throughout Poland. Markowski begins the investigation, and Rebrow reports to Dobosz for help, assuming that the case may have a second bottom. Climbing up the career ladder in Warsaw, Dobosz reluctantly returns to the Bieszczady Mountains. (thetvdb.com)