Nicki decides the way to get a luxury flat from agent Christian is to throw a grown-up party for him and his friends at her absent parents's grand home. Ironically Christian wants to use it shortly to string on paying clients, she is promised first flat pick. Meanwhile Alex complains about uninvited Jamie becoming his de facto third flatmate now Sooz has taken pity on the piggish lout; he finally resorts to calling the landlord, who by contract allows only three residents. The other friends consider pairing up as house-mates, Nicki chooses Sasha who also gets a new job, but Christian's firm went for the higher bidder, despite erotic services rendered; Sasha finds another boy-friend with a grand flat. Alex thinks up another plan, Nicki has her revenge...