The Infidels.

The story takes place in an around Lebanon. It concerns Farid, a repentant Islamic fundamentalist and Charles, a French diplomat. Farid is prepared to give the French secret service a list of names of terrorists operating in France on the condition that they liberate a friend of his imprisoned in France. The deal is complicated by the fact that Farid and Charles are irresistably attracted to each other, which inflames great jealously in Charles' wife, Juliette, estranging the couple.