Приходит дракон (2016)

The day before the Iranian prime minister is assassinated on January 22, 1965, a car discovers a shipwreck. Inside, they find the body of a political prisoner who had been exiled, surrounded by diary entries, literary quotes, and enigmatic symbols painted on the walls. Fifty years later, evidence including intelligence tape recordings is unearthed. The contents reveal that the inspector and his team were arrested, but the reason remains unclear.