Ponyboy is the main character that is 14 and is a greaser.
Ponyboy gets jumped
Dally is a greasers that has gone to jail.
Church on fire
Johnny killed Bob and later died. He is a greaser.
Note that Johnny left for PonyBoy
Pony gets jumped coming home form the movies
The church on the mountain catches on fire from Dally's, Johnny's, and Pony's cigarettes and Dally saves Johnny but they both get hurt and Johnny eventually dies from fire.
Johnny left a note for Ponyboy in his Gone with the wind book before he died.