Until 1991, Nele Karajlić and Sejo Sexon have been together leaders of the biggest Yugoslavian rock band : Zabranjeno pušenje (No smoking in Serbo-Croatian). After their split-up, Nele continues playing with the No Smoking Orchestra, internationally known and related to director Emir Kusturica. In parallel, Sejo Sexon succeed in the Balkans with Zabranjeno pušenje, other version of the band. Sejo is Bosnian, Nele is Serbian. It has been 20 years since the last time these two old neighbors and friends have seen each other. United by music and separated by war their story is a mirror of the country its own.