A joint “project” of the two world-famous secret services Mossad and SVR, illegal intelligence officer Sarah Goldman, operational pseudonym Agent Eser, suddenly and tragically dies while performing a secret mission assigned to her in one of the Arab countries. Mossad blames the Russian for her death intelligence, offering her to correct her mistake and find in the near future a young girl who is exactly like the deceased Sarah Goldman for the “role” of secret agent Eser, teach her everything necessary and introduce her into the legal life of Switzerland to preserve a network that is very important for both intelligence services Goldman recruited illegal agents from different countries and to carry out further secret assignments.