With Rex under attack from all sides, in both the US and the UK, he soon discovers there are forces at work within every level of society, determined to stop Torchwood's return. As a chain of events across the world links together the most desperate and unlikely individuals - including a surgeon, a killer, senators and CEOs - a new Torchwood team takes shape. But this time, the threat is much closer to home, as they realize that their greatest enemy is mankind itself...