Johnny and Ponyboy walk to the park, to calm down a little. When they are at the park, a car pulls up with three soc's inside. One of the soc's is trying to drown Ponyboy, and Johnny had just killed one of the soc's Bob.
When Johnny understands what he has done, he doesn't want to get caught. So pony boy and Johnny run away as far as they can to hide from the police. They spend many long days and nights in the church.
When Johnny and Ponyboy step outside of the church, they notice it's on fire. Johnny hears small kids inside the church, and when he goes in to save them a huge piece of lumbar falls onto his back.
When Johnny got hit by the huge piece of lumbar he suffered really bad burns on his back. He had to stay in the hospital for several days after.
The greasers and the soc's were in a rumble fighting against each other. The rumble was a huge deal to the Greasers.
Ponyboy had to write an essay to bring his grade up. They essay ended up being the book.