IGN - This was a dull episode. No way around it. It didn't have a whole lot to stand on and an exposition episode this early should feel like it's building toward something—which this definitely did not.
We opened on Bohannan looking through a photo of Union soldiers, presumably the ones that killed his wife. The last one is a Sgt. Harper. Before starting work, Bohannan asked the entire crew if they knew where a certain Harper was and someone responded 20 miles back. He left to go find him and on his way he ran into Lily and Joseph.