The Secret of Gretha Villa(1984)

Original title: Тайна виллы «Грета»

Members of the Shield and Helmet Masonic Lodge, sent by the CIA, are preparing a coup in one of the western countries. The criminal chronicle reporter manages to infiltrate the headquarters of the conspirators. The information he produces will play a decisive role in preventing the putsch. However, the successful journalist soon became convinced that he had discovered only the tip of the iceberg...