'Sweet Sorrow' is the story of a young man traveling to Iraq during the Arbaeen march.

Iran PressMiddle East: In this way, he gets acquainted with the subcultures of the Iraqi people and their hospitality.  

And he seeks the reason behind all the love and affection of the Iraqi people in serving the pilgrims of Imam Hussein (PBUH).

Each year, millions of Muslim mourners set out on a symbolic 80-kilometer-long walk that begins from the holy city of Najaf in Iraq, where the holy shrine of Imam Hussein’s father, Imam Ali (AS), is located, to the holy city of Karbala that houses the holy shrine of Imam Hussein (AS).