"John Lennon, you're still in our hearts. This graffiti, written on the school wall and signed by the students of an entire class, unleashed the wrath of the authorities. Some students were expelled from the Young Communist Organisation and there were threats of expulsion from school and dismissal of parents from their jobs. The investigation is led by the film director, Iskra lossiffova, and a journalist, E. Baruch. They interviewed the people directly involved: the students' friends, the professors, the police. Those responsible for the repression either deny or refuse to answer. In a final interview worthy of Kafka, they come up with a proposal. As an alternative to 'vandalism', they propose to erect a statue to the 'Unknown Guitarist'.