To Solve A Murder At An English Airbase, Us Army Captain Billy Boyle Must Immerse Himself In The Fascinating And Secretive World Of Wwii Radio Espionage.christmas Day 1944: After His Last Mission Put Him In The Tailspin Of The Battle Of The Bulge, Captain Billy Boyle Travels To Southeast England To Visit His Girlfriend, Diana Seaton, For A Brief Holiday Respite. Diana Is Engaged In Classified Work At Raf Hawkinge, Including Operation Corona, Which Recruits German-speaking Womens Auxiliary Air Force Membersmany Of Them Jewish Refugees From The Kindertransport Rescueto Countermand German Orders And Direct Night Fighters Away From Allied S Fascinating And Critical Espionage Work, But Its Laced With Peril, As Billy Finds Out. On A Scenic Christmas Walk Along The White Cliffs Of Dover, Billy And Diana Stumble Upon The Dead Body Of A Us Air Force Officer.