Chapter 1 March 1999. GCHQ Cheltenham, England. Sarah Edwards glanced at the wall clock, noting it was 23:17 hours. Nearly time. The plan was to get started as the shifts changed to the night staff. During late shifts, the hexagon shaped green building, flanked by prison-like towers, had the feeling of a ship silently moving through the night. There was a faded sound, like a distant roar from outside the double glazed windows of her office, a downpour of rain Sarah could see coming down in sheets from an external building light. The main GCHQ building was planted in the sprawl of the Oakley site in Cheltenham, England, where she had been an employee for six years. As Intelligence liaison officer, Sarah had access to top secret information that would never become public, even under the o

