Casey finds her room in the new house too small to live in so she manifests her dissatisfaction with the parents. It turns out in a battle between the two "step" siblings to determine who will have Derek's room.
Casey McDonald was a regular teenage girl,it was just her, her mom, and sister. Every thing was great until, her mom, Nora, met George. Now she has to learn to, not only just deal with school problems, a new house, but the worst part of all, her new stepbrothers, and stepsister. Derek is the worst, he is so mean, but watch this girl survive a Life With Derek!!!—Haylee