Lucy desperately needs a new heart. But getting the call to say a donor has been found will be a bittersweet relief, because for her to live, someone else must die. Julia, Helen and Phoebe have been friends throughout their lives. Yet a deep friendship can hide many secrets, and as their relationship reaches crisis point, what has long been buried is going to come bubbling to the surface. With one tragic accident, these four lives will converge and Lucy will get her new heart.