An important truce has been brokered between two warring tribes in Afghanistan that involves a marriage. The Unit is tasked with escorting the bridal party through enemy territory to the groom's village, via a mountain route passable only on horseback. The Unit and their motley crew encounter multiple challenges en route in this version of a modern-day western.
In California, Tom Ryan has evidence that Kim's employer, Isaac Reed, is linked to the terrorists. Bob must form a business relationship with Reed and prove his bona fides. Meanwhile, Kim suspects Reed's previous nanny is a victim of foul play.