In a small town in Umbria during the celebration of the local saint killed a Russian girl, the secretary of the old Countess The family asks Alexandra to go to Italy to find out why the murder has not been solved. Having met the countess, Alexandra enters the "high light" of the city and begins her investigation with the help of Commissioner Dini, who once saved her from the hands of a murderer in Tuscany. She is frightened by an abandoned abbey in the mountains, they tell about the disappearance of local schoolgirls. Will she be able to identify the killer, whether the blessing of the old monk will work and what is hidden behind the walls of the abbey?