“Secrets of Great Ukrainians. Symon Petliura” is a documentary film. Symon Petliura (1879-1926) was a Ukrainian statesman, politician and publicist. He was the Supreme Commander of the Ukrainian People's Army and the 2nd Chairman of the Directorate of the Ukrainian People's Republic. A sensational investigation into the murder of Symon Petliura, who was shot in the center of Paris. The authors of the project gained access to unique materials that shed light on who was really behind the murder of the outstanding Ukrainian.