The Defoes, a family of female divorce lawyers, are forced to face their past following the return of their estranged father after a 30 year absence.
A leading divorce lawyer finds business is personal when she leaves the family firm for a rival and finally faces her estranged father, who walked out 30 years ago.
Things become increasingly complicated for Hannah as she faces Christie's ex-wife in a tricky prenup, and the three sisters meet their father for the first time.
Hannah represents a woman fighting to save the embryos created during a marriage that is now ending in divorce. Oscar's return continues to have an impact on the entire family.
An online illicit dating website is hacked, providing Hannah with an explosive case. At home, Ruth hosts a dinner party for all the family with disastrous consequences.
Hannah, for so long adept at navigating other people's lives and relationships, is confronted with painful questions about her own. Elsewhere a repentant Nina tries to make up for all the pain she has caused, as Rose desperately tries to deal with the aftermath of her sister's outburst.At Defoe's Ruth is facing some uncomfortable questions of her own, as Goldie rejects their financial offer, smelling blood in her legal fight with Davey. At Noble & Hale, Christie finally reaches the end of his patience with Hannah.
Maya, Oscar's second wife, finally arrives in London. As the family try to heal past divisions and celebrate the future, Hannah and Nathan are fighting to save their marriage.Elsewhere Goldie finally has her day in court, only to discover a devastating final secret that changes everything.As Ruth fights to save all that she has worked for, help comes from the last place she expects - but at a price. And Hannah, after receiving heartbreaking news about Christie, finally confronts the past.
Hannah meets a TV presenter who needs her help, Ruth comes to terms with a different pace of life, and Zander introduces an unsettling new colleague to the firm.
As Hannah prepares Fi Hansen for her divorce, she feels increasingly stressed by the double life she is leading with Christie.
Hannah's personal and professional lives collide when Nathan helps out with the Hansen case, as she desperately tries to cover up evidence of her affair with Christie.
Secrets come out and lies unravel as Hannah deals with the fallout from her Anniversary Party, while the Noble Hale Defoe team attend an awards ceremony for Ruth.
With the revelation of Hannah and Christie's affair out in the open, Hannah tries to make amends and rebuild her marriage.
After Hannah's heart-breaking confession to Nathan about the night before their wedding, their marriage is in turmoil.
Hannah and Nathan are in the final stages of negotiating their divorce, but when it becomes clear Nathan has met someone else, the amicable separation takes a turn for the worse.
Hannah's relationship with Nathan unravels when he drops a bombshell, and Rose struggles to cope with her grief.
Tensions rise as Hannah and Nathan struggle to disentangle their lives. Christie arrives in London and Rose has clear out.
Hannah allows herself to dream of a life elsewhere with Christie, whilst Nathan starts to doubt his relationship with Kate. Ruth breaks some devastating news to Zander.
Rose grapples with James' absence at the family camping trip. Ruth learns of Nina and Tyler's affair, and the extent of Tyler's deceit is revealed.
With Kate and Nathan's relationship on the rocks Hannah makes a decision which shapes all their futures.
