About the book: 2015 / This is not how Katerina imagined meeting her father, Alexander Derzhavin, the current Emperor of Mirroria. The girl senses a hidden danger emanating from him. He, like everyone else in Mirror, considers her a Sister of Darkness and places special hopes on her. With her help, the Emperor and his minions want to open a portal to Earth and return. Meanwhile, Katerina’s friends are trying to thwart the plans of the villains from the Cagliostro Club, who intend to collect the Trianon and also open a passage between the worlds. Which of them will be able to realize their plans? And what will Katerina have to go through this time??