After years of being a loyal wife and mother, Francesca Kirwan finds her life changed irrevocably one dismal autumn morning when her husband Mark forgets his mobile phone. In the space of ten minutes her comfortable, safe, uneventful life is shattered. She has a choice - sink or swim. After a shaky start, Francesca's life takes a decidedly upward turn - new job, new friends, new love? Mark is not at all pleased and Mark's mistress, Nikki Langan, realises Francesca to be a far tougher woman than she expected. And then Francesca decides to throw a party, and that's when the fun really starts...