Viktor_Robot, the main mechanic of the artificial star Zoryana, flies to Earth to the girl Vika, the granddaughter of Zoryana's inventor. His goal is to find out how the iron star was created and for whom it should shine. Vika can't answer all of Victor's questions, but she does have the Planet Collector's Diary. Together with Viktor_Robot and Vika, readers of Anastasia Lavrenishina's book will dive into the world of dreams, astrophysical theories and their practical application, fly to the moon, cross the Universe and return to their native land.