The gambling business is going through difficult times - casinos are closing all over the country. But the capital's gambling tycoons strongly disagree with this state of affairs. And then they plan to move their business... underground, to the Moscow catacombs. With the help of drugs and the latest psychic technologies, they zombify people and force them to dig tunnels and build bunkers for future casinos. Private detective Platon Molochkov is forced to get involved in this dark story because the girl he is in love with asks him to find his brother who has disappeared in the dungeons. Plato is afraid to descend into the underworld, where death most likely awaits him. But what won’t you do for your beloved...