One of the neighbors, Viktor Efimovich Rachkov, was repeatedly visited by the devil. He went to the police, but they asked for a description of the offender. Well, what kind of description can you give for the devil? So, he had to move out of his apartment, and in his place settled his mysterious nephew – a soloist of a gypsy ensemble. And where there's one gypsy, there are others. But let’s not reveal the whole intrigue...