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.
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 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.