Chapter III : Pip went to the prisoner and gave him the food, brandy and file, then he ran into who he thought was the young man and told the prisoner who was baffled but made it look like he knew about the meeting. 

Chapter IV :  Pip’s Family and friends are at Christmas diner is getting told off by the adults for essentially doing nothing while this is happening Mr Joe keeps giving him gravy to make up for it, then when uncle pumblechook tastes the watered-down brandy and says its weak he starts feeling guilty. He feels even more guilty when they can’t find the pork pie he runs for the door and is arrested by some soldiers.