The leader of Hu Yiwei took the letter that Lu Buwei took out, and after thinking about it, he couldn't help but ask: "Dare to ask Wu Chengjun, ...... in this letter?"

Lü Buwei interrupted the words of the leader of Hu Yiwei: "You don't need to know about this matter, just bring the letter to Handan." ”

The leader of Hu Yiwei was silent for a moment, and then stood up: "I immediately sent someone to send this letter to Handan as quickly as possible, if Wu Chengjun has nothing else to do, then I will retire first." ”

Lu Buwei nodded, and the leader of Hu Yiwei walked to the wall, and a secret door suddenly appeared, and the leader of Hu Yiwei quickly disappeared.

Lu Buwei looked at the figure of the leader of Hu Yiwei leaving, and the worried look between his eyebrows did not disappear because of this.

In the letter he had just brought, there was actually a request from Lü Buwei.

Lü Buwei hoped that Zhao would be able to choose Qin as the next target in next year's attack!

As long as the battle of Zhao to destroy Qin broke out, the whole Qin State would have to devote all their energy to fighting against the Zhao army.

At that time, there will be no one who has the heart to pursue anything that should be or not.

And in this way, Lü Buwei will be able to end this frightened undercover life and officially become a courtier of Zhao State.

Lu Buwei thought about it, only to realize that he had been undercover in the Qin State for almost ten years.

Ten years, how many decades can there be in life?

It's time for it to end.

It's just that Lü Buwei's heart is not very sure, whether the king of Zhao, who is far away in Handan, will really choose Qin as the first attack target because of his letter.

Lu Buwei also made up his mind, if it really didn't work, then he would have to run away first.

Fortunately, due to the current situation, it is not too difficult to escape.

Lü Buwei did not need to flee eastward, but only needed to flee north to the Longdong Plateau.

It was the territory of the Zhao people, and there were the ubiquitous Yiqu cavalry roaming.

It's just that Lu Buwei is of course unwilling to leave like this, if he escapes now, Lu Buwei will be an unsuccessful spy, which will greatly reduce his previous ten years of efforts.

If you wait until the fall of the Qin state, then Lü Buwei will be a great hero and a key figure in the battle to destroy Qin.

The weight of this is enough for Lu Buwei to gamble.

Just bet that Nei Ying is indeed desperate to join Zhao Guo, and he will not confess because of Cai Ze's interrogation.

also bet that even if that Neiying confessed, Lu Buwei would be able to get the news one step ahead of time and escape.

As long as either of these two possibilities succeeds, then Lü Buwei will at least have no worries about his life.

But this kind of bargaining chip that uses his own life as a bet is so exciting that Lü Buwei sits quietly in the study for a long time and is quite entangled, and he doesn't even want to eat dinner.

So Lü Buwei didn't know that in the snowy Xianyang City, there were actually some other things happening.

Cai Ze stood in the snow, surrounded by an encirclement of a hundred heavily armed elites of the Qin Guards.

And in the middle of the encirclement, three Qin Ruishi stood there quietly.

There were several corpses lying on the ground, Cai Ze glanced at it roughly, and found that several people inside were wearing Qin Ruishi's clothes.

"How's it going?" Cai Ze asked in a deep voice.

A Qin Ruishi saluted Cai Ze and replied, "All the personnel have been ambushed, but the other party's martial arts are quite strong, and we have also paid some price. ”

This price is actually very heavy, and only three of the ten Qin Ruishi are left.

Cai Ze nodded and said, "It's hard work." Didn't you get away with Zhao Guoren? ”

This Qin Ruishi frowned, obviously a little dissatisfied with Cai Ze's method of asking twice in a row: "Everyone has been ambushed, Gang Chengjun." ”

A smile appeared on Cai Ze's face, and he said in a deep voice: "Are you sure these people came out of Lu Buwei's mansion?" ”

Qin Ruishi didn't speak, but took out a letter and put it in Cai Ze's hand: "This letter was found from the arms of the person in charge. ”

Cai Ze looked at the letter in his hand, his face finally showed a smile, and the whole person looked like he breathed a long sigh of relief.

In fact, the so-called Zhao domestic response is simply fake.

From Cai Ze's own point of view, from the moment he accepted this task, he was very sure in his heart that Lu Buwei must be the guy who collaborated with the enemy country.

But the problem is that after so many years of experience in taking root in the Qin State, this intelligence leader has not been able to grasp Lü Buwei's handle, and Lü Buwei's meticulousness in this matter can be imagined.

After several months of investigation, Cai Ze found one thing, that is, due to the passage of time, coupled with the chaos of the war at that time, it was too difficult to obtain evidence.

Cai Ze even directly suggested several times that Qin Wang Chu should arrest Lü Buwei first, as long as the people were arrested and the mansion was searched, and all the people in the mansion were interrogated, this case would definitely be able to come to light.

But Cai Ze's suggestion was rejected very directly by Qin Wang Chu.

After all, Lü Buwei and Qin Wang Chu were friends in distress, and Lü Buwei was still a person of great kindness to Qin Wang Chu, so even if Qin Wang Chu was suspicious of Lü Buwei, he was still unwilling to arrest Lü Buwei and imprison Lü Buwei without any evidence to prove Lü Buwei's rebellion.

On the other side, Qin Wang Chu was worried about this matter and asked Cai Ze to find a way to find out as soon as possible.

Under such a passive situation, Cai Ze finally came up with a plan to startle the snake.

Cai Ze managed to fabricate a situation of Zhao's internal response, and quietly leaked the news to Lu Buwei through an internal response that Lu Buwei had placed next to Cai Ze and had his identity exposed.

Cai Ze believed that as long as Lu Buwei heard the news, he would definitely react because of panic.

No matter what kind of reaction Lü Buwei makes, Cai Ze will have a chance to catch Lü Buwei's feet.

As it turned out, Cai Ze's plan was successful.

Cai Ze carefully put the letter into his arms, and then continued to ask, "Are there any other discoveries?" ”

"It's gone."

Cai Ze pondered for a moment, and said to the henchmen beside him: "Find out the identities of these people as soon as possible." ”

After saying this, Cai Ze immediately boarded his carriage and left.

He couldn't wait to find out what was written on the letter.

Cai Ze had a hunch that this secret letter would be the decisive evidence for him to bring down Lu Buwei!

Cai Zexing rushed back to his mansion with the secret letter, found a secret room, and then carefully opened it.

However, to Cai Ze's disappointment, what appeared in front of him was a blank piece of paper.

"Yin Book?" Cai Ze frowned, and a bad premonition began to arise in his heart.

After a while, Cai Ze ordered someone to concoct the developing water, soaked it in the water, and sure enough, some characters gradually became clear.

What appeared in front of Cai Ze was such a character.

1-7-8，9-2-4，5-6-6

11-2-3，6-7-12，14-4-3，7-7-7

……

Cai Ze looked confused.

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