Young businessman and computer scientist Igor Kamensky learns that somewhere in Switzerland the industrialist Demidov’s gold worth three hundred thousand pounds sterling in 1917 prices is stored in bank safes. And judging by the lawyer’s letter, he, Igor, is the heir to the fortune. To enter into the right of inheritance, Kamensky, under the protection of bodyguard Evgenia Okhotnikova, travels to... a small Ural town. The path to fabulous wealth turned out to be thorny and almost cost them their lives. After all, besides Igor, another heir was discovered who is ready to do anything to become the only one...