MI5 officer Johnny Worricker and Margot Tyrell are on the run together across Europe. But Worricker knows his only chance of resolving his problems is to return home and confront his nemesis, the prime minister.

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.

A young man ushers an older woman into a dark exploration of her past - back to the time when, as a young girl, she met a stranger who affected her life forever.