He's ex intelligence officer from the war (WW2) but now he lectures on the 1st Elizabethan era until one of his wife's friend get ill and all contact is lost.

Although the German High Command has a team of experts committed towards building a nuclear device, they fear that the Cavendish lab in Cambridge may be ahead of them.

When he learns that the village has been locked down by the military amidst rumours of a virus outbreak, he knows something is up in Blighty.

Meanwhile, former spy Tom Wilde is enjoying peacetime in Cambridge, settling back into teaching and family life.In the seventh book of his acclaimed ‘what if’ historical novels series – which has included Corpus, Nucleus, Nemesis, Hitler’s Secret, A Prince and A Spy and The Man in the Bunker – former national newspaper journalist Rory Clements sweeps us back into the life of Tom Wilde, his unconventional half-American, half-Irish history don who has braved death and danger to do his bit for peace and freedom.

The word Truppenführer was also a generic word referring to any commander or leader of troops and could be applied to NCOs or officers at many different levels of command.The use of Führer to refer to a political party leader is rare today and Vorsitzender (chairman) is the more common term. The espionage or crime novel sees the forces of good set against evil, so that characters are tested often to the limit, and a process of ultimate catharsis evolves. Evans, this use of " Führer" by Schönerer's Pan-German Association, probably introduced the term to the German far-right, but its specific adoption by the Nazis may also have been influenced by the use in Italy of " Duce", also meaning "leader", as an informal title for Benito Mussolini, the Fascist Prime Minister, and later (from 1922) dictator, of that country.