Jack's group of boys are there own pack and so Ralph, Piggy, Eric, and Sam are planing on starting to light a fire.
Jack group planned to sneak into the other boys camp to steal the fire.
Ralph, Piggy, Sam and Eric tried to set a fire but the wood wasn't lighting so Ralph decided to have everyone just to go to bed and try in the morning.
Jack's group sneaked into Ralph's camp and attacked the other boys while they were sleeping and all the boys scrambled and started to fight each other.
Jack stole the fire but what he actually mean't was he wanted Piggy's glasses. Jack's group of boys left behind beaten up boys.
The boys talked about last night and and asked how they were doing and Eric was talking about how he was was hitting and was going after one of the other boys and Ralph realizes that he was fighting Eric. Then Piggy told the boys that Jack stole his glasses.