Gail returns with a new stance on life, David finally finds the truth, Belle’s sister comes home, and Hannah grapples with indecision at her hen party.
Henry grapples with the consequences of Gail’s decision, Liam throws a tense dinner party, David and Saira start a new chapter and Neil makes Belle an unexpected offer.
Gail's loyalty to Henry is tested, Andy faces a decision about his new baby, David is disturbed by a hint about Kelly’s past, and Belle’s seductive night in gets derailed.
Gail, Belle, David and Hannah all encounter new and disruptive influences in their lives, kicking off interweaving stories set in a house in Manchester divided into four flats.