The main setting of the novel by the popular American science fiction writer B. Bova is the Parareality company, which is creating a park of various games using virtual reality.

However, the most dramatic events take place in the virtual world itself, where the “computer "genius, company star Jace Lowry. In his desire to conquer virtual reality, he does not even stop at a crime directed against the family of his friend, who, like Jace, is a high-class computer scientist. The evil fate of a genius has already led to two deaths... It is almost impossible to stop a computer virtuoso who imagines his greatness...