The stories included in the book tell about how border guards serve on the southern borders of the country, how police officers of Tajikistan and, first of all, the criminal investigation department of the republic work. The main idea of ​ ​ the author, which goes through all these stories, is that not a single violation of the state border, not a single crime in our society should remain unsolved, enemies and criminals will inevitably suffer a well-deserved punishment.