The horse, Davy, has killed two people to protect his family. This is important because Davy is helping people he loves stay safe.
Reuben says his father is touched by God and can save him in any situation.
The horse, Davy, escaped his cell.
Reuben gets shot and dies and visits "The Country." He meets his Dad there and realizes his Dad bargained with God to die in Reuben's place.
Reuben tells his father goodbye and is now sent into the real world.
Reuben lives with perfect lungs, even though he was born with ones that made it hard for him to breathe, his father healed him. Reuben's father, Jeremiah, dies and the horse, Davy, continues to live on the run.