Holmes travels to Scotland to help a woman search for her missing husband.

A mercenary unit rolling on a steam train across the Congo, headed for the dual tasks of rescuing civilians imperiled by rebels and recovering a cache of diamonds.

All eyes are focused on the Vatican, hoping to see the puffs of white smoke signaling the selection of the next Pope, but this time, much more is at stake, for the new pontiff may be the only person who can bring peace to a world on the brink of nuclear war.