Sano retraced Chiyo's footsteps around a corner and down another block, whose shops sold religious supplies. Two dealers had seen Chiyo; the rest hadn't. Dividing the shops was an alley, wider than the usual narrow space that ran between buildings. It was a firebreak, designed to reduce crowding and prevent the spread of fires, and apparently used as a side street. Sano and Detectives Marume and Fukida walked down the alley, skirting puddles. Balconies overhung recessed doorways and malodorous nightsoil bins. As he examined the paving stones, Sano spotted blood that had collected in the cracks. He pictured Chiyo falling, hitting her head.

"This is where Chiyo was dumped," Sano said.

An old woman with a tobacco pipe clamped between her teeth hobbled out on a balcony, picked up a quilt that had been left out in the rain, wrung out the soaked fabric, and cursed. Sano called up to her, "Did you see anyone come through here yesterday, during the storm?"

"An oxcart. They take a shortcut instead of going around the block." The woman puffed on her pipe, which gave off foul smoke. "There's just enough room for them to squeeze through, but they scrape the walls. And the oxen leave dung. Filthy beasts! I pick up the dung, save it in this bucket, and throw it at the drivers." She cackled.

"Chiyo must have been dumped from that oxcart," Sano said to his detectives, then asked the woman, "Did you get a look at the driver? What was the cart carrying?"

"No. I didn't see. It was covered by a piece of cloth."

"He hid her under the cloth so no one would see her," Fukida said.

"But who is 'he'?" Marume asked.

"That's the question," Sano said. "Let's go find that oxcart." He recalled the construction site they'd passed yesterday. "I know where to start."

The Hibiya administrative district near Edo Castle was thick with samurai. They filled the streets where government officials lived and worked in mansions protected by high stone walls. Some of them wore the silk robes of high rank, some the armor tunics of soldiers; all were equipped with the customary two swords of their class. Some rode in palanquins or on horse back followed by attendants; the lowlier trudged on foot. They all moved aside to make way for Hirata.

As he rode down his cleared path through the crowd, his reputation as the top martial artist in Edo cloaked him like a golden suit of armor. Rumor said he could read minds, see behind him, anticipate an opponent's every move, and communicate with the spirit world.

There was truth to the rumor. His training had developed mental powers that everyone had to some degree but few ever learned to exercise.

Part of his perception focused on his surroundings. It noted the faces he passed, the plod of hooves and sandals on wet streets, the rustle of straw rain capes, the bright umbrellas. The other part, honed by arcane training rituals, sensed the energy auras around each human being. In each pattern of heat and light and vibration he could read personality and emotion. Some pulsed faintly, the auras of weak wills; others flared with confidence. In battle, the aura functioned as a warrior's first line of defense, a shield. A strong aura could deflect blows as effectively as a sword could and defeat an enemy without a single strike.

In present company, no aura was as powerful as Hirata's.

Now Hirata perceived a configuration of arrogance and recklessness in three auras among the crowd. They belonged to three young soldiers who came riding toward him. The men jumped from their saddles and blocked his path. The tallest one had eyebrows like black slashes, an out-thrust square jaw, and the lean, muscular physique of a man who spent much time at martial arts practice, unlike many samurai. His armor tunic sported the Tokugawa crest. He swaggered up to Hirata and said, "I challenge you to a duel."

Hirata experienced a sinking sensation. "You don't want to do this," he said.

"What's the matter? Are you scared I'll beat you?" the soldier taunted. "Come down and fight!"

This wasn't the first time Hirata had been challenged. A reputation like his had certain disadvantages. He'd lost count of how many samurai had accosted him, eager to prove their fighting skills superior to his. So far none had succeeded. But they'd caused Hirata serious problems nonetheless.

The soldier's companions yelled, "Coward! Loser!"

A crowd gathered around Hirata and the samurai, avid for a fight. "Well?" the soldier shouted. "Aren't you going to defend your honor?"

"I'm going to give you a chance to save your life," Hirata said. "Go, and we'll pretend this never happened."

The soldier went red with anger. "Are you saying I'm not good enough to fight you? In front of all these people?"

"I'm saying don't be foolish."

"I'll make you fight me," the soldier huffed. He looked around the audience and spied a teenaged peasant boy, a servant. "Hey, you! Come here."

The boy looked dismayed to be drawn into the argument. The soldier's friends grabbed him. They shoved him at the soldier, who drew his sword and said to Hirata, "If you won't, I'll fight this boy instead."

Hirata was appalled at the lengths to which men would go in order to provoke him. "Wait," he said, and jumped off his horse. He couldn't let an innocent bystander suffer.

The spectators cheered as he strode forward. He seized the friends, twisted their arms, and flung them to the ground. They shrieked. The boy scampered off unharmed. The soldier yelled and charged at Hirata, waving his sword.

Hirata's mind and body instinctively united in action. He drew a deep breath that aerated his entire body. His heart pumped blood and energy through his veins as a mystic trance came upon him. His perception expanded. He projected his vision into the future. It showed him ghostly images where the people would move in the next few moments. He saw the soldier coming as if in slowed motion, his ghost one step ahead of him. The ghost's sword traced curving, shimmering lines that the real blade would soon follow. Hirata glided between the lines. The soldier's sword whistled harmlessly around him. Hirata launched a kick at the ghost.

A split instant later, his foot struck the soldier's stomach. The soldier howled, flying backward into the crowd, which scattered to get out of his way. He hit the side of a building. His head banged against the wall. His face went blank. He slid down the wall, leaving a red smear where his head had hit. He sagged onto the ground, his scalp bleeding profusely.

Hirata's awareness reverted to normal. The ghostly images and energy auras faded; his breathing and pulse slowed. He found himself in the center of a silent, awestruck audience. The soldier lay crumpled, motionless. His friends rushed to him, crying, "Ibe-san! Are you all right?"

"He'll wake up soon," Hirata said with more confidence than he felt. He was good at gauging the force necessary to subdue attackers without killing them, but he hadn't anticipated the wall meeting Ibe's head.

"Let this be a lesson to anyone who wants to challenge me," Hirata announced.

The crowd dispersed. As the friends of the soldier hoisted him onto his horse and led it off, along came a doshin Hirata knew from his police days. The doshin, named Kurita, was an older man with a rough, cheerful face, dressed in a short kimono and cotton leggings. In addition to his swords he wore a jitte-a metal wand with a hook above the hilt for catching an attacker's blade-standard police equipment. His three assistants followed him, armed with rope for restraining criminals.

"Well, if it isn't Hirata-san," he said. "Not another duel! Haven't you been warned about that?"

"Yes, by the shogun himself, no less."

The shogun had heard reports of the duels and not been pleased. He abhorred violence, and he'd ordered Hirata to cease dueling and threatened him with banishment if he didn't stop.