Former Soviet border guard and now journalist Pavel Balashov received an offer from a certain Belyavsky to organize a fishing expedition to the Khabarovsk Territory. Pavel happily agreed. After all, last year he caught a huge taimen in those parts. True, the customer was in for a surprise. Not only was he a KGB officer, but, as it turned out, he was not at all interested in taimen. However, it was too late to retreat, and Pavel, without knowing it, is drawn into a dizzying adventure where aliens, dinosaurs, androids and other worlds are mixed...