THE FRENCH DROP—Investigating a sus icious death, Foyle gets caught u in the rivalry between the established s y agency MI5 and the newly created SOE. 　　ENEMY FIRE—Sabotage, murder, and adultery at a ioneering RAF hos ital brings Foyle face to face with the devastating hysical and emotional consequences of war. 　　THEY FOUGHT IN THE FIELDS—A murdered farmer and the crash landing ..