Two sisters, two separate ways, one unbreakable friendship - Sisters Hannah and Juliet have been best friends for as long as they can remember, but after a year of tragedy and celebration, they suddenly face very different futures. Hannah, newly married to City solicitor Michael and pregnant with their first child, has her ambitions fixed on a dream house in South London's affluent Nappy Valley. All, for her, is as good as it gets. Juliet is not so settled. Haunted by the death of the man she loved, she is soon neglecting both her boyfriend Guy and her promising career in brand consultancy. On increasingly wild nights out with friends Kate and Larry, she'll stop at nothing to obliterate the memories of past betrayals. But as Hannah struggles to recognise the man she married and falls under the influence of single mother Siobhan, Juliet finally learns to take back the life she always wanted. Over and over, the sisters' friendship is challenged - until Juliet finds herself faced with one secret too many.