The secret operating procedures of the Special Assignment Force (SAF) have been made public in a book. Then an SAF squad in Cameroon is ambushed and a popular officer is killed. An apparent trap is set for another squad. Someone is targeting the SAF, but who and why? And who is behind the devastating cyber attacks on the United States? With millions of lives at stake, Colonel Jim Slater follows the trail to the Yemen and finds himself in an underworld of espionage and cyber warfare. The fourth thriller in the Jim Slater series, set in the near future, raises issues that are alarmingly topical.