Corporal Evan Albright, a heroic and daring member of the Marine Corps Security Guards, joins the elite unit to save the world and experience action-packed adventures abroad, but his first assignment at a seemingly quiet U.S. Embassy in a Middle Eastern capital proves to be anything but mundane. Albright and his team are unprepared for the unexpected attack by militants who are out to kill an informant inside the embassy. Outgunned and caught off-guard, the guards must summon every ounce of courage and leverage their tactical skills to withstand the onslaught and avert a catastrophic tragedy.