The opening of the exhibition at the Art Gallery was preceded by a number of sad events: the disappearance of a painting by an old Dutch master from the gallery’s storeroom, the suicide of its oldest employee, and after this the death of another museum employee. The series of mysterious incidents did not end there: Olga Boykova, editor-in-chief of the Witness newspaper, and her friend Marina, at a presentation in the Art Gallery, discovered the body of a girl in the manager’s office, and when they tried to get out of there, it turned out that the door was locked. The trap has slammed...