"Kalashnikov" is a biographical film that tells the story of Mikhail Kalashnikov, the inventor of the famous AK-47 assault rifle. The movie follows Kalashnikov's life from his early days as a young soldier during World War II to his rise as a renowned weapons designer in the Soviet Union. As he struggles with the moral implications of his creation, Kalashnikov reflects on the impact his invention has had on warfare and the world at large.