p 　　In the exciting fourth season, we fast-forward six years, discovering that Nikki Esther Smith and Jason Rafe Spall are experienced adopters having built a lovely little nuclear family, enriched by an extraordinary support network However, as their teenage daughter, Princess Scarlett Rayner , starts to yearn for a connection with her birth mother, Nikki and Jason find themselves confronted with the ultimate test of their parenting skills p