Imagine the United States has elected its first female president. That would make her husband — what?Well, if he's the ex-cop who solved the murder of the president's first husband and brought the killers to justice … and if he's not the kind of guy to stand on formality … and if he doesn't want to be the head of the FBI … and if he takes out a license and becomes the first private eye to live in the White House … That would make him The President's Henchman.Jim McGill's first case is to find out who is stalking a member of the White House press corps, before that stalker turns the tables on McGill and maybe even threatens the president herself. He's also called upon to be a shadow advisor to a young Air Force investigator who is looking into a he-said she-said charge of adultery leveled against a female colonel working at the Pentagon, a case with the potential to derail the new president's administration before it has a chance to begin.