The seventh book in the Sano Ichiro series, 2002

To my editor, Hope Dellon, for her keen perception and wise advice.

My heartfelt thanks to her and everyone else at St. Martin’s Press.

Northwest of the great capital of Edo, isolated among marshes and rice paddies, the Yoshiwara pleasure quarter adorned the winter night like a flashy jewel. Its lights formed a bright, smoky halo above the high walls; the moon’s reflection shimmered silver on the encircling moat. Inside the quarter, colored lanterns blazed along the eaves of the teahouses and brothels that lined the streets. Courtesans dressed in gaudy kimono sat in the barred windows of the brothels and called invitations to men who strolled in search of entertainment. Roving vendors sold tea and dumplings, and a hawker beckoned customers into a shop that sold paintings of the most beautiful prostitutes, but the late hour and chill weather had driven most of the trade indoors. Teahouse maids poured sake; drunken customers raised their voices in bawdy song. Musicians played for guests at banquets in elegant parlors, while amorous couples embraced behind windows.

The man in an upstairs guest chamber on Ageyachō Street lay oblivious to the revelry. A drunken stupor immobilized him on the bed, which seemed to rock and sway beneath him. Singing, samisen music, and laughter from the parlor downstairs echoed up to him in waves of discordant sound. Through his half-open eyes he saw red lights glide and spin, like reflections in a whirlpool. A painted landscape of gardens slid along the periphery of his vision. Dizzy and nauseated, he moaned. He tried to recall where he was and how he’d gotten here.

He had a faint memory of a ride through winter fields, and cups of heated sake. A woman’s beautiful face glowed in lamplight, eyes demurely downcast. More sake accompanied flirtatious conversation. Next came the hot, urgent intertwining of bodies, then ecstatic pleasure, followed by much more drink. Because he possessed a hearty tolerance for liquor, he couldn’t understand how the usual amount had so thoroughly inebriated him. A peculiar lethargy spread through his veins. He felt strangely disconnected from his body, which seemed heavy as stone, yet afloat on air. A pang of fear chimed in his groggy consciousness, but the stupor dulled emotion. While he tried to fathom what had happened to him, he sensed that he wasn’t alone in the room.

Someone’s rapid footsteps trod the tatami around the bed. The moving hems of multicolored robes swished air currents across his face. Whispers, distorted into eerie, droning gibberish, pervaded the distant music. Now he saw, bending over him, a human figure-a dark, indistinct shape outlined by the revolving red light. The whispers quickened and rose to a keening pitch. He sensed danger that shot alarm through his stupor. But his body resisted his effort to move. The lethargy paralyzed his limbs. His mouth formed a soundless plea.

The figure leaned closer. Its fist clenched what looked to be a long, thin shaft that wavered in his blurry vision. Then the figure struck at him with sudden violence. Pain seared deep into his left eye, rousing him to alertness. A squeal of agony burst from him. Music, laughter, and screaming rose to a cacophonous din. Turbulent shadows rocked the chamber. He saw a brilliant white lightning bolt blaze through his brain, heard his heart thunder in his ears. The impact heaved up his arms and legs, which flailed as his body convulsed in involuntary spasms. But the terrible pain in his eye pinned him to the bed. Blood stained his vision scarlet, obliterated the person whose grip on the shaft held him captive. His head pounded with torment. Gradually, his struggles weakened; his heartbeat slowed. Sounds and sensations ebbed, until black unconsciousness quenched the lightning and death ended his agony.

The summons came at dawn.

Edo Castle, reigning upon its hilltop above the city, raised its watch-towers and peaked roofs toward a sky like steel coated with ice. Inside the castle, two of the shogun’s attendants and their soldiers sped on horseback between barracks surrounding the mansions where the high officials of the court resided. A chill, gusty wind flapped the soldiers’ banners and tore the smoke from their lanterns. The party halted outside the gate of Sano Ichirō, the shogun’s sōsakan-sama-Most Honorable Investigator of Events, Situations, and People.

Within his estate, Sano slept beneath mounded quilts. He dreamed he was at the Black Lotus Temple, scene of a crime he’d investigated three months ago. Deranged monks and nuns fought him and his troops; explosions boomed and fire raged. Yet even as Sano wielded his sword against phantoms of memory, his senses remained attuned to the real world and perceived the approach of an actual threat. He bolted awake in darkness, flung off the quilts, and sat up in the frigid air of his bedchamber.

Beside him, his wife, Reiko, stirred. “What is it?” she asked sleepily.

Then they heard, outside their door, the voice of Sano’s chief retainer, Hirata: “Sōsakan-sama, I’m sorry to disturb you, but the shogun’s envoys are here on urgent business. They wish to see you at once.”

Moments later, after hastily dressing, Sano was seated in the reception hall with the two envoys. A maid served bowls of tea. The senior envoy, a dignified samurai named Ota, said, “We bring news of a serious incident that requires your personal attention. His Excellency the Shogun’s cousin, the Honorable Lord Matsudaira Mitsuyoshi, has died. As you are undoubtedly aware, he was not just kin to the shogun, but his probable successor.”

The shogun had no sons as yet; therefore, a relative must be designated heir to his position as Japan ’s supreme dictator in case he died without issue. Sano had known that Mitsuyoshi-twenty-five years old and a favorite of the shogun-was a likely candidate.

Ota continued, “Mitsuyoshi-san spent yesterday evening in Yoshiwara.” This was Edo ’s pleasure quarter, the only place in the city where prostitution was legal. Men from all classes of society went there to drink, revel, and enjoy the favors of the courtesans-women sold into prostitution by impoverished families, or sentenced to work in Yoshiwara as punishment for crimes. The quarter was located some distance from Edo, to safeguard public morals and respect propriety. “There he was stabbed to death.”

Consternation struck Sano: This was serious indeed, for any attack on a member of the ruling Tokugawa clan constituted an attack on the regime, which was high treason. And the murder of someone so close to the shogun represented a crime of the most sensitive nature.

“May I ask what were the circumstances of the stabbing?” Sano said.

“The details are not known to us,” said the younger envoy, a brawny captain of the shogun’s bodyguards. “It is your responsibility to discover them. The shogun orders you to investigate the murder and apprehend the killer.”