Nasser, a captain in Tehran’s Criminal Investigation Department, has just successfully managed to break up a drug smuggling cartel. But in the process, a tragedy befalls him and his family – the death of his daughter at the hands of Mehran, the ringleader of the gang in Tehran. Now, with Mehran behind bars, Nasser realizes that the real leaders of the drug cartel are still active in Turkey, and that there’s more to the story of his daughter’s death than he knew.