Kate's school closes down and she must now attend the same school as Allison. Allison gets Kate a job on the yearbook staff to help her fit in, but Kate becomes more popular than Allison ever was and Allison ends up being jealous.
Kate takes Allison's place in the chemistry lab so Allison can go on a date, but messes up the assignment, so they break into the school at night to fix things.
