Convinced that his subtenant is a spy and an enemy of the state, Ilija Čvorović falls into deep paranoia which leads to an absurd and destructive chain of events.
Three kidnappers are out to get Lepa Brena, the most popular singer in Yugoslavia. Policemen are on their trail, but Lepa Brena is not helpful being on a massive Yugoslavian tour with her band "Slatki Greh", a manager and their crazy bus driver Gile. And even the band members have their own problems, many of them being horny groupies of Bale, the guy with the flute.
An imposter and thief called Dumpling escapes prison and arrives to a respectable institute of doctor Strukl in Balm Sanatorium. The doctor is a specialist for reduction and gaining of weight, and wanted by many celebrities, especially because it is known that he has specialized in Switzerland. Dumpling, discovering that he is physically similar to doctor, and seeing his big chance in it, disables the doctor and takes his place at the sanatorium.
