The series is dedicated to phenomena that are increasingly becoming fashionable. Internet, reality TV, and this time a flash mob. Literally translated as “crowd flash”. The main character, it would seem, is far from all this. But... During the opening of a new shopping center, about a hundred people simultaneously release green balloons into free flight. A man's body is found in an underground passage. What is the connection between these events? The murder occurred during a flash mobber rally. And, as it turns out later, not the last. Someone, smart and mature, figured out how to use harmless entertainment to his advantage. And with the help of the “smart crowd” he gets rid of people who interfere with him. To calculate it, you need to try to understand what a flash mob is? Take part in the action, try to write at least one script that will interest young people. All this is done by the main characters, already familiar to the reader from the novels “Love and Death Live”, “Love and the Irony of Fate”, “Love and Death Always Together”. The book from beginning to end is only the author’s imagination, any coincidences of names and events random