The Violet DiamondIn the midst of the Iran-Iraq war, one of the strategic hills and heights in the Kurdistan region is in the hands of the Iraqis. Three groups of Iranian military forces are tasked with capturing these hills and heights. One of these groups, under the command of Haj Hossein, succeeds in capturing the hill and heights and pushing back the Iraqis after suffering casualties, but the rest of the group is martyred by chemical bombardment.