Everyone has one special relationship in their lives - the one they never forget At university Annie and Jordan have a passionate love affair But when Jordan returns to America, Annie marries steady, dependable Edward and settles down to family life in London Years later, Annie's son Tom finds a photograph The girl in the picture is his mother, her companion a familiar-looking stranger A message on the back hints at a mystery two decades old For Tom, it will have consequences that overturn his past and his future For Annie, it represents a secret that could destroy two marriages And for Jordan, now running for the American presidency, it heralds a time-bomb waiting to explode