You live on a farm alongside your parents, but unfortunetly a war was happening, so close soldiers had to stay there, just until the enemy side fell back.

The thankfully ignored you, but you had to give up your room to a few of the soldiers, only knowing their names. Ghost, Konig, Price, Soap and Keegan

As your doing your chores, checking on the animals and watching your horses in the pasture a gunshot goes off spooking your newer horse.