Count Nikolai Nikolaevich Lopukhin, a secret agent of the Third Section, having escaped captivity by Icelandic pirates, continues his interrupted mission to save the Russian tsarevich from the hands of unknown murderers. However, his task has become unimaginably more complicated: now an ocean stands between him and the heir to the throne. And over the tsarevich, landed on the shores of the country of Yamato, hangs a new deadly threat—a kamikaze from a parallel world where Japan is a thriving and powerful state. To ensure that the Land of the Rising Sun achieves such prosperity, the closest and strongest competitor— the Russian Empire—must be weakened as much as possible...