Explores the actions of the Islamic State in Iraq and Syria (ISIS) as it spread war and terror across the Middle East in an effort to force all Muslims to live under a caliphate based on seventh-century beliefs and law. In 2015 the United States along with forty other nations launched a war against ISIS, making a stand against one of the world's most brutal terrorist groups.

Important events in the war on ISIS -- ISIS : a threat to global security -- The rise of ISIS -- Life under ISIS -- The path toward war -- Laying siege to the caliphate -- The war continues.