Rex escorts Jack and Gwen to the United States with the help of his former lover, Lyn Peterfield. But sinister elements within the CIA are already mobilising to stop Torchwood before it can even begin to investigate the Miracle. Esther finds herself on the run from those she trusted, while Jack's newfound mortality is put to the test. Meanwhile, Jilly Kitzinger, a public relations representative for pharmaceutical company PhiCorp, has designs on both Oscar Danes and Rex's surgeon, Dr Vera Juarez. And, all over the world, the Miracle is raising questions of ethics and morality that threaten to fundamentally change the nature of human society.