Rosie becomes obsessional about Christmas, unable to understand why it can't be Christmas all the time. In 2007, Si and Em continue to drift apart and consider splitting up.

As Em gets excited about Si's annual quiz, Rosie becomes fixated on making her draw a specific picture over and over again. In 2008, Rosie suffers a frightening medical emergency.

After the school notices some bruising on Rosie, Si becomes paranoid about a visit from social services. In 2008 Rosie takes her first steps leading to unforeseen new problems.