"Rachel's life is perfect. A handsome boyfriend, great friends and the prospect of starting at university in a few weeks means she's never been happier. But in a single heartbeat, a single event tears her world apart. Five years later, Rachel is still struggling to come to terms with the tragedy that changed everything. Returning to her hometown for the first time in years for her best friend's wedding, she finds herself consumed by the thoughts of the life that could have been. But when a sudden fall lands her in hospital, Rachel awakes to discover that nothing is the way she thought it was. Unable to trust her own memories, Rachel is drawn into this new world where the man she lost is alive and well but where she is engaged to be married to someone else"--