Prima ballerina of the Bolshoi Theater Veronika Kutilina, a famous lover of diamonds, fears for her life. She turns to the Gloria agency because she is convinced of the ill will of her stage partners and former favorites, including a Russian oligarch, an English lawyer, a modest student, and the head of a criminal gang. Carrying out her instructions, Denis Gryaznov and his detectives come to unexpected conclusions that turn the course of the investigation in a different direction.