In this clip, a teacher (Ms. Nobury) finds out about the book, makes them realize that they are all guilty of insulting their peers. She has each girl to confess and apologize to the rest of the girls.
in this clip, cady is without friends, shunned by Aaron, distrusted by everyone in her school & parents, cady decides to make amends by taking full blame of the burn book. though severely punished by her confession, her guilt dissolves and she returns to her old personality.