It's rude to judge people for their weight.
Jessica is at a new Summer camp where she doesn't know anyone.
Jessica wants to make new friends at camp.
Jessica introduces herself to every girl at camp, regardless of what they look like.
During lunch, Jessica walks over to a table of girls and introduces herself to everyone except one larger girl.
Jessica makes lots of friends and learns not to judge a book by its cover.
The larger girl mentions Jessica's behavior to the other girls, who decide they don't want to be friends with Jessica over her actions.