Following their split, Louise is determined not to give up on her relationship with Andy, and creates a plan to win him back. But can Andy overcome Spencer's growing involvement in Louise's life? Lucy is unimpressed when Spencer sets his romantic sights further afield, and swaps Chelsea girls for a mystery Californian. Undeterred by strong words from Phoebe, Fran and Alex arrange a one-on-one. Jamie treads on dangerous ground as he begins a flirtation with Lucy. And Mark Francis and Victoria introduce their fashion designer friend Sophie Hermann, as the gang watch polo at Guards.