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 a clear-out.

Hannah allows herself to dream of a life elsewhere with Christie, Nathan starts to doubt his relationship with Kate, and Ruth breaks some devastating news to Zander.

Rose grapples with James’s 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 everyone's futures.