Thirty-year-old Kate Miller fled London two years ago when her life fell apart spectacularly. Living in New York with her mother and stepfather and working half-heartedly as a literary agent, Kate must return to London when her father, a famous classical musician, undergoes a kidney transplant. She’s only returning for a short visit, or so she thinks. But once in London, she faces the friends who are bound with her forever as a result of one day when life changed for all of them. What really happened before Kate left London? And can she pick up the pieces and allow herself to love her own life again?