Operation Ghost from the Fireplace

After the «Night of the Theater» at the boarding school, anxious rumors continue to circulate. The students are still discussing the animated dolls when news arrives: an old gradebook has disappeared from the principal's office. And the main point is — Ilya Abramov is accused of the theft! But hardly anyone believes that he could have done it. This means the real criminal is somewhere nearby. Team «X» must solve a new mystery: who is behind this theft and what do the mysterious orange seeds mean?..