When Margo Roth Spiegelman beckons Quentin Jacobsen in the middle of the night—dressed like a ninja and plotting an ingenious campaign of revenge—he follows her. After a lifetime of loving Margo from afar, things are finally looking up for Q . . . until day breaks and she has vanished. Always an enigma, Margo has now become a mystery. But there are clues. And they’re for Q.