 In a special pen-pal program between the schools (previously seen in "Feeling Sorry for Celia" and set up by Mr. Botherit), Cassie begins to write to Matthew; Emily writes to Charlie; and Lydia exchanges letters with Seb.The letters are initially different degrees of hostile.Emily and Charlie poke fun at each other's writing, while Lydia and Seb bicker about whether or not they can trust each other.