Lin Yao searched carefully in the room again, but still didn't find any useful clues, at this time, he saw several people walking into the courtyard through the window, and said with a sneer: "Whether you can find clues or not, it's up to a few of you."

These people just walked into the courtyard, saw the corpses all over the ground and a pool of blood, a little shocked and turned around and wanted to go back, Lin Yao couldn't allow them to escape, jumped out of this window directly, instantly threw the long sword in his hand and stabbed one of them to the ground, and then quickly kicked the other person to the courtyard wall.

Seeing that they couldn't escape, the other three pulled out their swords and slashed at Lin Yao, Lin Yao dodged and grabbed one person's wrist, and forcefully stabbed the long sword in the person's hand to a person next to him, and then hit the person's right hand with a wave of his hand, causing the long sword in his hand to slide down, and after catching the long sword, Lin Yao hacked the person to death.

"I'm just one of you, do you think you can escape or kill me, I don't want to kill you, I just want to know something and I'll let you go, talk about it."

When this person heard what Lin Yao said, he trembled and said, "You, what do you want to know."

"Where did Zhonglang hide Pei Xun's identity and background, as well as the documents and letters exchanged with the enemy."

"General Pei is a great benefactor of the people in the city, Corporal Lixian loves the people like a son, how can he exchange letters and documents with the enemy, you don't want to wronged a good person."

When Lin Yao heard him answer like this, he also expected it, so he didn't say anything, he half-bent down and groped around the bodies of these people on the ground, found a sign and hid it in his sleeve first, waved the long sword in his hand and said to this person: "Then who are you?"

"A good man spares his life, we are just ordinary attendants next to General Pei, I really don't know these things you asked, let alone any documents and letters."

Sticking the long sword into the ground, Lin Yao shook the sign he had just searched out in front of this person's eyes, and said: "What is this, you should know better than me, the token of the Qin Army's special contact is issued by the intelligence network, didn't your organization and Pei Xun tell you that it's best not to carry this kind of thing with you outside, thanks to you, I really locked Pei Xun on the charge of collaborating with the enemy, if you want to live, tell me everything you know."

"The one in charge of liaison just now, he has been killed by you, I'm just a small subordinate, I don't know anything."

Still looking at the person in front of him expressionlessly, Lin Yao pulled out the long sword on the ground and stabbed at him, this person knew that he must be dead and closed his eyes, but he didn't expect to hear only a "touch" and the blade moved away.

The man opened his eyes and saw that his clothes were only scratched, Lin Yao pointed to the sign that flew to the ground, and said: "You are really good at talking nonsense, this contact card is exactly the same as the person just now, you still want to shirk it."

"I didn't expect you to recognize it, this kind of special contact card that only Qin Guo has, who are you?"

Lin Yao half-squatted down and picked up a contact card on the ground, which was a small square sign with a slight thickness, holding this sign in his hand, Lin Yao flicked it with his thumb (the same principle as today's folding mirror), took out a stacked tin foil sandwiched inside and threw it on the ground, and then said: "I not only know this kind of brand, but also familiar with his principle, the upper and lower bottoms of this brand are mirrors, which can be used as mirrors, and the internal space in the middle is its value after being closed. Your professionals write very small words on a piece of tin foil, these words are the information and information that you want to convey, and after taking out the tin foil, you can use the texture of the tin foil and the reflection principle of the mirror surface to image a standard-sized font on the mirror surface, am I right?"

Seeing that Lin Yao understood the mystery of this brand so accurately, this person was immediately speechless and didn't know what to say, Lin Yao squatted next to a corpse on the ground, wiped the blood stains on the long sword on his shirt, and said: "It's been a long time since a spy like you was standing in the Yan Kingdom, have you ever heard of the base under Lord Yu, I am the code name of the base of the people, you should also know the methods of the base, even if you don't tell me, I will pry everything you say you know out of your mouth."

"Even if you kill me, I won't say anything."

Seeing that this person was really like this, Lin Yao cut off his left arm with a sword, and picked up another long sword and nailed his right leg to the ground, this person almost fainted in pain.

Lin Yao bent down and grabbed his hair and said, "If you don't say it again, believe it or not, I'll cut off your other arm."

"Spare your life, I say, I say ......".

Nodding, Lin Yao said to him, "Let's talk about Pei Xun first."

"Pei Xun is a member of the Yanguo branch of the Qin State's Central Intelligence Network, and unlike other members, he is a one-line operation, in charge of a single area, usually does not communicate with the organization, and sometimes only relies on people like us to transmit intelligence and orders."

"So, where is his contact with your organization?"

"Buried under the second willow tree on the left side of the backyard".

After knowing where the document was hidden, Lin Yao flew to the backyard to find the willow tree, picked up the shovel and dug up the ground with three strokes and five divisions, and dug out a box in less than three feet.

After removing the box, Lin Yao saw that there was a lock hanging on it, so he swung his sword twice to break the lock and open the box, he picked up the top two bamboo slips and saw that they were all ironclad evidence of Pei Xun's contact with the Qin army.

Seeing that so many bamboo slips were not easy to carry, Lin Yao only picked up five or six volumes with key contents, then covered the box and buried it back in the ground, and then turned around and walked in the direction of the courtyard gate.

Walking to the gate of the courtyard, Lin Yao saw that this person was still crawling on the ground, and this person saw Lin Yao stop and said, "Let's talk about it, I told you what you want to know, you can't kill me."

"That's right, that's what I said just now, but I also told you my details just now, you know a little bit more now, and it will be bad for me if I live."

Before the man could speak again, Lin Yao walked up to him and slit his throat with a sword, and then strode towards the city gate.

On the side of the city tower, Pei Xun came to Zhang Zun's side and said: "Although a clear system has been issued above, it is a temporary stage and we can't completely follow the rules, after all, people are here to help us, it is better to let them in first, so it can be regarded as living up to the prince's good intentions."

"However, I heard that there have been frequent activities of ghosts in the Qin army in the country recently, if this army is mixed with internal ghosts, what should they do if they take the opportunity to seize the city."

"This is easy to do, I brought some of my men here, and my lord and I brought people to the city together, summoned the important generals of their army into the city, and checked how they were going one by one."

Zhang Zun nodded in agreement after listening to this suggestion, and Pei Xun immediately took more than 30 of his men to follow Zhang Zun to the city gate, ready to open the city gate......