In a world covered with a layer of sand hundreds of meters thick, the most sought—after profession is divers. These are people who, with the help of special equipment, dive into the sandy depths, extracting from there relics of an old civilization — the subject of a fierce struggle between rival gangster groups. One of the criminal groups hires Palmer and his sister Victoria, divers with extensive experience, in order for them to go down to the depths, where, according to their employers, Danvar is hiding under the sand, the city is the dream of all divers. The brother and sister do not realize that the target of terrorist criminals is not a legendary city, but a storage facility with nuclear ammunition located in the vicinity of Danvar. And they planned nothing less than a new atomic apocalypse.…