Brandon is visiting his dad on the 107th floor of the World Trade Center on September 11, 2001 when the attack comes; Reshmina is a girl in Afghanistan who has grown up in the aftermath of that attack but dreams of peace, becoming a teacher and escaping her village and the narrow role that the Taliban believes is appropriate for women--both are struggling to survive, both changed forever by the events of 9/11.

Marine Corps master sniper Bob Lee Swagger travels to the remote deserts and caves of Afghanistan to track down a renegade Marine who is using extreme measures to complete a mission.