Seven-year-old Vanya was given a toy aeroplane as a present for his birthday - an ordinary present, nothing seemingly special. However, it was to quickly become a cause of conflict and strife between the main characters, and re-ignite old feuds and long-standing resentments. One evening Vanya disappears from the apartment. The door is locked. His outdoor clothes are still in place. There is only an open window - a symbol, perhaps, of open and yet unresolved issues - What could have caused the boy's disappearance? What secrets will be revealed during the search? Will it affect the relationships between the main characters? And can the wind of change gust in through the open window?