Geordie Sharp is asked to undertake an SAS operation so outrageous that his conscience will barely allow him to carry it out.The ostensible aim of Operation NIMROD is to train a new Spetznaz unit to combat the threat of the Russian mafia, but Sharp's orders contain a sinister hidden agenda.When two SAS men are lifted by Mafia agents, the British authorities' secret weapon is turned against London and only Geordie Sharp can save the day.