Johnny wants to turn himself in. Pony Boy is afraid to because he is afraid to get arrested and sent to the electric chair.
We're goin' back and turn ourselves in
When they were leaving they saw the church was on fire and they knew kids were in there so they turned around to help them.
They went back to go save the kids. And then Johnny went to go save one of the kids and he looked up and a plank of wood hit him in the back.
Ponyboy tried to wake up Johnny, but Johnny was unconscious.
Dally drove Ponyboy and Johnny to the hospital. Johnny was unconscious at the hospital and then he paralyzed from injuries from the accident. Darry really cared about Johnny but Johnny thought he was aggressive.