Intheexcitingfourthseason,wefast-forwardsixyears,discoveringthatNikki(EstherSmith)andJason(RafeSpall)areexperiencedadoptershavingbuiltalovelylittlenuclearfamily,enrichedbyanextraordinarysupportnetwork...

　　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 ...