The true story of Marine Corporal Megan Leavey, who forms a powerful bond with an aggressive combat dog, Rex. While deployed in Iraq, the two complete more than 100 missions and save countless lives, until an IED explosion puts their faithfulness to the test.

Tells the story of Operation Moshtarak, the biggest operation since the start of the Afghanistan war, whose main target was the Taliban stronghold of Marjah. For two months, VBS correspondent Ben Anderson got to know the American forces behind Operation Moshtarak and filmed the brutal realities of their life on the front lines.