Diana starts teaching in a prestigious school, having suffered trauma years before. However, very disturbing little things happen soon and she discovers that the teacher who preceded her died in a rather strange accident; pupils seem to have a secret in common and the school director herself has an ambiguous attitude. Diana has the comfort of a police commissioner, but he too doubts what she sees and the facts that happen to her. Then when Anna, a pupil, disappears and Diana is chosen by the pupils as their companion for a school trip - The shadow of a mysterious game hovers over everything that everyone denies knowing anything about.
—Baldinotto da Pistoia