'' Saleem Iqbal '' plays Arsalan . a fugitive , who returns to his native Karachi , to investigate the violent death of his younger brother , blamed on religious fundamentalists . In the ensuing days , he discovers that in a post 9/11 world , the gritty extensive metropolitan city of Karachi sits on the fault line of modernity and militancy
9/11
September 11 attacks
Kala Pul