The time is about to pass, and the interior guard mansion is brightly lit and noisy.

The meeting hall was even more crowded, and the people shuttled, boiling and surging.

Relevant personnel from the Ministry of Industry, the Cabinet, Dali Temple, Yulinwei and other departments were all present, and even Bi Sheng, who has always been a personality, also led the backbone of his intelligence department to wait in the hall.

"This is Shangfu, Guixu, 10,000 miles," an old man with gray hair and wearing a big red official robe was pointing to the map to explain, "This one is a big new city five hundred years ago, and it basically overlaps with the current location."

"Look at this one again, here is the urban construction project recorded by the Ministry of Industry, Quliangmen has dug up a general tablet twenty-five meters underground, it has been verified to be a monument of the Tianlong Dynasty, a full 1,400 years ago, ......

This person is none other than Shangshu Lan Qizhi of the Ministry of Industry, who is already seventy-three years old this year, and he is just on the hurdle.

"Lan Shangshu," Lin Chaofeng frowned and said, "Am I asking you to teach us a lesson now?" Use you to popularize history?

"Please, you all have long brains, okay?" He yelled at everyone angrily, "The current situation is that those Xuanmen rebels are hiding in the dungeon, and they don't know what they are going to do!"

"Who among you can know what Cao Ding found from the ancient map?"

"Boss!" At this time, one of Yu Linwei's generals said, "Xuanmen is against the party, since time is pressing, why don't I lead a team to search!" ”

"Do you know how big it is down there?" Lin Chaofeng glared and asked, "Then it's only bigger than Xuanmiao City, even if you send an army down, it's useless!" ”

"My lord," Bi Sheng said, "The Xuanmen rebels are hiding underground, and they must want to attack the palace, so after we send someone down, we will look for it in the direction where the palace is located!"

"I didn't ...... It doesn't make sense! Lan Shangshu frowned and said, "The old man has been in the Ministry of Industry all his life, and he knows the structure of the entire palace well, even if those Xuanmen rebels use explosives underground, they can't cause half of the damage to the palace."

"Are you ......," Lin Chaofeng asked, "Are you sure?"

"Today's imperial palace was built on the basis of the Song capital of the past," Lan Shangshu stroked his beard and shook his head and said, "When it was built, I found that the ground was covered with a layer of diamonds.

The craftsmen estimated that when the Song Dynasty built the palace, it may have been because of the fact that there was a city under the city, and they were worried that the ground would collapse, so they did not hesitate to spend a lot of money to lay diamonds.

"So...... Even if those Xuanmen rebels are rats who can make holes, they will definitely not be able to get into the palace! ”

"The point is," said General Habayashi Wei confidently, "the whole palace is impregnable, even if they can make a hole and get in?"

"I'm afraid ......," Cai Kun said with a frown, "Then there is something unknown down there!"

"Mr. Lin......" He pulled Lin Chaofeng aside and asked in a low voice, "You say...... Is it necessary for us to let the Queen Mother move? ”

"Bold!" Lin Chaofeng changed color when he boarded, and shouted, "Isn't this looking for death?" You don't know the temper of the Queen Mother? Xuanmen forced the Queen Mother to move, and said that the Queen Mother still had to ask for our heads? ”

"Yes...... Yes, yes......" Cai Kun realized that he had not thought it through, and quickly silenced him.

"You guys hurry up and show me...... Lin Chaofeng ordered a few people in front of the map, "How far is that entrance that Xu Zun and the others found from the palace?" ”

"About ...... About ......," said a man from the Ministry of Works, "and the nearest Taiping Gate is only three miles."

"Sanli ......" Lin Chaofeng pondered for a moment, and instructed General Yu Linwei, "You immediately send people down and search in the direction of the palace!"

"Yes!" The general was already eager to try, and immediately took the order.

"The key is ......," who knows, but Lan Shangshu stroked his beard and said, "Close doesn't necessarily mean Tong!"

"You know, those underground cities have long since collapsed, and even if they can be passed, they can only rely on some ravines and culverts......

"Gully culvert ......" Lin Chaofeng tasted it carefully, and suddenly said, "No wonder, Xuanmen cares so much about Cao Ding!"

"Cao Ding must have the distribution map of those ancient culverts in his hand, and only by following those culverts can they reach the designated place.

"Bi Sheng," he turned his head and asked, "Don't you have this kind of map in the Zuowei Mansion?" ”

"Hmm......" Bi Sheng hurriedly bent down and bowed his head, and replied with two words dryly, "No!" ”

Also......

Lin Chaofeng then remembered that Zuo Weifu was an intelligence agency, and it was natural that there were no such things.

So, he turned his head to look at Lan Qizhi again.

"I didn't ...... There is no ......," Lan Qizhi hurriedly explained, "Our Ministry of Industry undertook the construction of the Daxuan Building, and I have never inspected the underground!"

"I don't believe it," Lin Chaofeng said fiercely, "Except for Tie Jing and Cao Ding, there is no one else who has an ancient canal map?" ”

"Manager Lin," Lan Qizhi said helplessly, "The key is that all dynasties have to build their capitals, and they all have to build canals, and we don't know which dynasty Cao Ding took?" ”

"I don't care about this," Lin Chaofeng shouted in a commanding tone, "You go find it for me immediately, and find me all the canal diagrams!" ”

"This ...... This ......" Lan Qizhi was helpless, but he didn't dare to disobey, so he had to turn his head and discuss with his colleagues in the Ministry of Industry.

"Huh?" Lin Chaofeng noticed that there was one less person at the scene, and hurriedly asked, "What about Xu Zunren?" Where did it go? ”

Cai Kun looked around, only to find that Xu Zun was not in the meeting hall.

"Envoy Xu is in the inner hall!" There was a guard next to him who immediately gave an answer.

When Lin Chaofeng heard this, he took Cai Kun, Bi Sheng and others to the inner hall.

As a result, when they entered the inner hall, they found that Xu Zun was sitting in front of the bookcase, carefully checking something.

When they got closer, everyone saw that the bookcase was densely packed with all kinds of materials, all of which were about the mass assassination.

"Xu Zun," Lin Chaofeng asked curiously, "What are you still reading these materials for?" ”

"Oh," Xu Zun saw the three of them at this time, hurriedly got up and saluted, and replied at the same time, "Lord Lin, we found out before that Shi Chun, the general of the Ministry of Water Resources, was recommended by Yan Hai, the servant of the Ministry of Water Resources.

"And Yan Hai also died in this assassination."

"Mr. Lin," Bi Sheng added, "we found that Yan Hai's recommendation did not comply with the procedures, did not pass the review of other departments of the Ministry of Officials, and was suspected of betraying his official position." ”

"This ......" Lin Chaofeng looked at Xu Zun, "What, do you think it's not a coincidence?" ”

"Report ......"

Who knows, at this moment, the voice of the guard Hou Zhen suddenly came from outside.

"My lord," Hou Zhen reported as he entered the door, "Li Xing, Zhao Yu and the others have already descended along the rope to the bottom of the canal, which is about ten zhang deep, and there is water in the bottom tank, and the water is two feet deep, and there is no flow.

"They have found the body of Cao Ding's housekeeper and confirmed his death.

A search of his body revealed no clues.

"At present, Li Xing and Zhao Yu each lead a team to investigate in two directions, and once they find something, they will immediately send someone to report back."

"Okay," Xu Zun instructed, "you go back and tell them to be careful, not to enter lightly, and to mark any forks in the road." ”

"Yes!" Hou Zhen withdrew.

"The ditch runs north-south," Bi Sheng said, "and it should be closer to the palace to the north." ”

"It's okay," Lin Chaofeng said, "Yu Linwei's people will be here soon, let them search carefully."

"More than ten feet deep underground, what kind of demons can they make?"

Lin Chaofeng and the others discussed, but Xu Zun was thinking about something else.

He remembered the mark of Cao Ding's family, which was left by Cao Ding's housekeeper.

Maybe...... The people of the Xuanmen did not know each other, and could only pass on orders and messages through those signs.

According to Xu Zun's current information, in addition to the murder scene of the Ministry of Works, Lang Yingrang and Cao Ding, several other victims have also found marks at the scene.

All of them add up to seven or eight, and none of them are repeated.

Since the mark is used to transmit information, it is enough to show that the Xuanmen still has a response on the ground, and there is more than one!

So...... He can't put all his energy into the dungeon, and these surface threats are just as important.

So...... Can you think of a way to lure these people out?

As a result, just as Xu Zun was thinking seriously, a muffled sound suddenly came from outside the hall.

Rumble......

The ground trembled slightly as the muffled sound came.

However, although the tremor was small, it scared Lin Chaofeng, Xu Zun and the others a lot.

Everyone hurried out of the hall and looked at the place where the sound came from, but the muffled sound came and went as fast as it came, and it had already regained its calm.

"That's ......" Lin Chaofeng was shocked, "That's the direction of Taipingmen, just ...... What's going on? Be...... Was it an explosion? ”

……

……