In the theater world, there is still a legend about the talisman ring of Marius Petipa, which brings success to everyone who wears it, but demands an expensive payment for triumph on stage... The young talented ballerina Varvara Livneva, who recently joined the Bolshoi Theater troupe, once heard then Arina Savinova, an art critic and employee of the theater museum, also knows about this legend. The first childishly naively believes in the power of a magic talisman, for the second it is only an object of scientific research and search. But no matter how differently the heroines of the book treat him, both of them have no idea what the solution to the mystery of the great choreographer’s ring will turn out to be for them...