Johnny works for MI5. His neighbor Nancy approaches him. When his best friend and boss suddenly dies, Johnny's left to sort out things about the PM, MI5 and US.

Following their flight from Turks and Caicos, Johnny Worricker and Margot Tyrell hopscotch around Europe to evade capture by MI5. After spotting one of his former recruits, disguised as a passing jogger, Johnny relocates once again and instructs former colleague Rollo Maverley to leak news of Prime Minister of the United Kingdom Alec Beasley's corrupt dealings with Stirling Rogers and his Bridge Foundation. Margot secretly keeps in touch with Johnny's pregnant daughter Julianne. In London, Acting Director General of MI5 Jill Tankard contacts Deputy Prime Minister Anthea Catcheside and offers her services in aiding Catcheside's embattled husband.