About the book: 2008 / Manya was offended by the whole world: the holidays were coming to an end, and Goshka still had not returned from Germany from his father. What if he stays there? But yay! He arrived, and Manya, along with her mother and stepfather, detective Umarov, met him. And then the adventure began! Manya and Goshka were on duty at the Umarov agency, waiting for an interesting case - and they got it. But not at all where they expected, but... Manya accidentally heard how her neighbor was being blackmailed. It turned out that she had paid a lot of money for non-disclosure of the events of twenty years ago, which cast a shadow on her honor, and was going to pay more. Just then the third member of Lech’s team of young detectives appeared - and the investigation began…