Nina's attempt to do something for Billie spirals into something altogether different, and it involves Patrick. Billie reels when she discovers what's happened. Nina's fragile new relationship with Harry is tested. Zara makes a brief return to her wild past. Billie and Brody find some happiness in their new life together. Geraldine doesn't know if she's ready to introduce her new lover to the family. Cherie and Clegg come together in a big way.