When a top undercover agent working in Syria on Friday, turns up dead in Norfolk on Monday, Dan Glover of MI6 is sent to investigate. He discovers ISIL are landing passenger jets at an unregistered British airfield. Their cargo includes militia, weapons, and civilians: 2,000 illegal immigrants per day. Then he discovers four more airfields. Making discovery after discovery, Dan concludes ISIL are planning to turn England into a caliphate. A small...