The security service of the American bank Imperial detains a guy who managed to install spy equipment in the operating room, as a result of which unknown hackers stole a large amount of money from the accounts. Assistant FBI Director Obrein decides to interrogate all known hackers who have previously engaged in similar matters. They all unanimously declare that only a young American woman of Russian origin, Daria Shelest, is capable of such a daring and cunning crime. Obrain meets with Daria and invites her... to help find the hacker who stole money from Imperial accounts. Daria agrees, but puts forward a counter condition, which caused extreme bewilderment among the FBI director...