Casino is not only roulette, it is a way of life. Katya Petrovskaya, an employee of the Internal Affairs Directorate Press Center, and major of the “homicide department” Nikita Kolosov became convinced of this while investigating three murders at the Red Poppy casino. Fatal passions and femme fatales, big money and desperate risks, ups and downs - everything here is concentrated to the limit, everything is on the verge of explosion. What lies behind these crimes - the machinations of competitors, personal revenge or jealousy, or maybe even worse - manic obsession? There are many versions, facts, evidence, but the solution to the criminal charade is still in the fog. And even when Nikita and Katya came close to her, they refused to believe that such a thing was possible...