“National Treasures” is an episode of the documentary research film “Ukraine. Taking back its history." The authors of the film are looking for hetman kleinodes – symbols of power that confirming Ukrainian statehood; and highlighting new facts about the heroic epoch of the Ukrainian Cossacks. One of the relics that disappeared from Ukraine is the heart of Hetman Kyrylo Rozumovskyi. Journalist Akim Halimov, together with the hetman’s descendant, Count Gregor Rozumovskyi, will try to find and return this relic to Ukraine.