About the book: 2018 / Student Sasha, under the patronage of his aunt, expert philologist of the Investigative Committee Victoria Berseneva, got a job teaching Russian to foreigners at the Military Institute of Communications. Of course, he was preparing for the fact that Afghans are people of a completely different culture. However, after talking with them more closely, Sasha began to consider them almost aliens! Before he had time to establish contact with students and get involved in the work process, he became one of the suspects in the case of the disappearance of the head of the department, Karolina Sergeevna Ivanova! She had many ill-wishers, all teachers and some students were under suspicion. And in order to find out where Carolina disappeared, Sasha will have to use all the skills that he acquired while working with Victoria on the most complicated cases, because she knows how to identify criminals without even leaving home, using texts alone…