What is the summary Chapter Two of Everybody Sees the Ants?

In Chapter 2, Nader's girlfriend, Petra Simmons, is a lifeguard, and Lucky finds her incredibly attractive. Also swimming are soon to be senior girl Charlotte Dent and her twenty year-old boyfriend, Ronald. Nader finds Charlotte attractive as well. Charlotte loses her top in the pool, and nobody wants to get it, so Lucky does, and helps her tie it on. Nader works at the pool as well, and is sent home for the day for trying to stop people from helping Charlotte.