Nikki,Chloe and Zoey toilet-paper Mackenzie's house and she could get expelled from school for doing that.Mackenzie threatens her that she'll tell Principal Winston and tell everyone by the school newspaper if Nikki didn't get her an invitation to Brandon's party.To stop her,Nikki gets and advice column in the paper.The column is a success but Mackenzie reserves a meeting with the principal to tell about what Nikki did.Marcy(one of Nikki's friends) exposes what Mackenzie did in Book 4 and Mackenzie gets embarrassed and calls of the meeting.