Comes a danger all too close to home.. the matter requires Sanos personal attention, more personal than sano at first imagines. For he soon discovers that Mitsuyoshi's companion for the evening was none other than the alluring lady Wisteria, a woman who sano himself new intimately before he was married to his beloved wife Reiko. But the memory of Wisteria still stirs him, and it is with both dismay and relief that he learns she has vanished along with her pillow book, a diary that may contain valuable clues. The circumstances trouble him, as does the possibility that he and wisteria might meet again with the dangerous consequences