What if a total stranger was watching your every move? What if he read your mail, listened in on your phone calls, knew what you spoke of only to your most trusted confidants? What if he learned Your routines? Your weaknesses? And, most important, what if he discovered those things you love and cling to . . . and then he stripped you of them? And sat back to watch while you self-destructed?Boston private investigator Patrick Kenzie is about to anger such a man.When Patrick first meets Karen Nichols, she strikes him as the kind of woman who irons her socks--an innocent from a protected upbringing, untouched by tragedy. But six months later Karen commits suicide by leaping from one of Boston's most cherished monuments. Patrick finds himself wondering what can alter someone so drastically, so quickly, that suicide seems her only option.