In this intense Iranian crime thriller, detective Samad (Payman Maadi) plunges into Tehran's seedy underworld in a high-stakes hunt for the elusive drug kingpin Naser Khakzad (Navid Mohammadzadeh). As Samad inches closer to his target, he's confronted with the brutal realities of a city drowning in addiction and the murky, compromised morality of his own team.