Karen has to make her final choice between David and Mark, while the gang is preparing to head to Australia, to celebrate Pete and Jo's wedding. Rachel is excited, because she can visit her younger sister in Sydney for the first time. Adam and Rod try to convince Pete that the wedding is a big mistake.

Adam and Rachel are shocked to learn their house is up for auction and financially out of their reach. The relationship between Pete and Jo is still fragile and becomes more so after Jo spends a weekend away for work purposes. Karen is shocked to learn about David and Robyn's relationship.

Pete has himself finally arranged with David, when another guest is moving in – nobody else than his mother. Adam and Rachel wait for the decision of the adopting agency and Karen and David discover the negative sides of their material disagreements.

Karen is still jealous when David is talking to other women. Meanwhile Pete and Jen find out, that there will be a new family member around soon.

Pete and Jo are grilled by immigration officials about their marriage. Adam is made redundant.

Pete is afraid of his fast moving relationship with Jo, who's visa is about to expire. Adam and Rachel start to fight about the baby's name and their relationship. Karen starts an affair, while David is occupied with work.

Rachel and Adam are desperate about the adoption's agency decision regarding Laura. Pete develops first interests in his new house guest and Karen returns to work and is surprised in her new boss.

Adam is afraid about his prospects to become a father; meanwhile Rachel visits an old friend in New York. Pete and Jo are getting closer, but there is one problem; she has still a boyfriend. David is desperate to find a birthday present for Karen.