The interests of the ruler of Callisto, Prince Sergei Preobrazhensky, never went far beyond the moons of Jupiter, well, at most, the solar system. But, as you know, a person assumes... Fate came to the prince in the form of a mysterious Chinese merchant who predicted the appearance of a mysterious Frontier in deep space, which led to the death of many inhabited worlds. Sergei found himself involved in the cruel games of the First Born, he had to fight with those who sought to free the multidimensional space of the Universe from the presence of people at any cost...