The transfer of power between rivals is rarely smooth. In 1553 it was murder. Dr John Dee and his trusty colleague, Jack, embark on a dangerous adventure to find a document before it destroys a life. Vicious murder follows their every step as they break into the forbidding Tower of London. Can they escape its clutches safely? Will the impregnable Framlingham Castle remain inviolate or can they breach its defences? If they prevail, revenge would be sweet, but might it stain their souls?