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, whilst Nathan starts to doubt his relationship with Kate. Ruth breaks some devastating news to Zander.

With Kate and Nathan’s relationship on the rocks Hannah makes a decision which shapes all their futures.