Xu Xin patted the car body and said as if comforting Qin Jian:

"Don't panic, we have a chariot! There's a spare flamethrower in the back! You can kill as many as you want! ”

Qin Jian got out of the car and said, "Standing and talking doesn't hurt your back, you can try what it's like to be besieged by hundreds of zombies!" ”

Xu Xin looked disdainful and handed over a piece of chewing gum: "Eat one to suppress shock." ”

Qin Jian didn't know that it was called chewing gum, so he took it and stuffed it into his mouth, chewed it twice, it was quite delicious, and a cool breeze came out of his throat.

"I'm not as good as you, but I just saved your life, right?"

"Hmm...... Thank you so much! Qin Jian looked perfunctory and took out two cans of black tea from the warehouse.

Since you want to stay calm, it's better to have a short intermission, anyway, there are not a few zombies left in front of you.

"Isn't this black tea? You're really floating! I don't usually buy such expensive drinks. Xu Xin took the black tea and didn't forget to babble.

Qin Jian said impatiently: "Hurry up and take two sips, we have to continue to clean up the zombies!" ”

Xu Xin glanced at him, opened the black tea and drank it all,

"Don't you want to know how zombies broke into the farm?" Xu Xin said suddenly.

"You know?" Qin Jian asked rhetorically.

Xu Xin shook his head: "I don't know, but I drove to the back door just now and found that it was very quiet over there, so these zombies didn't break through the back door." ”

Qin Jian frowned, the zombies did not break in from the front door, nor did they break in from the back door, so could they still come out of the ground?

After thinking about it for a long time, Qin Jian guessed not very surely: "Can you still climb over the wall and get in?" ”

"Possibly!" When Xu Xin heard him muttering like this, she immediately nodded and said.

"For now, this can only be the case, the zombies are coming in from the high wall on the side!"

"! The high wall is five or six meters high, and people can't climb in, let alone zombies? Qin Jian still denied Xu Xin.

"Are you a fool? Human ladder! They can ride a ladder! ”

Xu Xin's words made Qin Jian suddenly realize.

He still understands the word human ladder very well, after all, when he was working in the mine, some work had to be completed by using the method of human ladder.

"Zombies also take a ladder?" Qin Jian scratched his head, puzzled.

"Of course! I know a lot about zombies, and once there are more of them, I like to use the human ladder to break through the city! ”

Qin Jian finally agreed with Xu Xin's explanation, the zombies may have come in by climbing over the wall by taking a human ladder, and there is no other explanation.

It's just that he doesn't understand, how can the zombies be so smart, organized and disciplined to gather on the side high wall, and sneak attack over the wall?

Shen Chaowei's notebook said that some infected people do have a certain amount of intelligence, but that is limited to the mutants in the infected body, and zombies are the most inferior existence in the infected body, and they are at the bottom in terms of IQ and strength......

Could it be that zombies have evolved?

It's scary to think about it......

"We can't just guess, we have to find the root cause."

Qin Jian hurriedly said, he hoped that he had thought too much, the zombies must have done this for some reason or some kind of inducement, so they had to find the place where they climbed over the wall to investigate clearly.

"Okay, I'd suggest we don't drive there, lest we miss some clues, besides, there shouldn't be any zombies on the farm, and we won't need machine guns or flamethrowers."

Qin Jian agreed, and the two of them each took a pistol and went directly to the direction of the high wall.

After cleaning up the scattered zombies along the way, Xu Xin suddenly stopped.

"Are you kidding?"

Qin Jian didn't understand Xu Xin's words, and immediately asked, "What's wrong?" ”

"What kind of marksmanship are you?" Xu Xin came to Qin Jian and asked with a glare.

The black light is blind, even if she stays in place for a long time, she may not hit the zombie, but Qin Jian, shooting while running, every shot can blow off the zombie's head?

The world's number one sharpshooter can't do this, right?

"Don't talk nonsense, look around, there may be zombies!" Qin Jian didn't answer, and said impatiently.

"Alas! You can't be God-possessed, right? ”

Xu Xin sighed, she had thought many times that Qin Jian could turn a pheasant into a phoenix, she must have been taken away, and her soul was no longer herself, otherwise how could she suddenly become so powerful, first-class marksmanship, first-class fighting, and extremely unrealistic acquaintance with a character like Shen Chaowei?

But he still occasionally makes mistakes, and his knowledge is still so shallow, that kind of mountain. The cannon-like personality is not something that can be easily pretended to be at all......

So, what happened to him......

The two reached the foot of the high wall and quickly found clues.

This high wall is located directly east of the farm, and it can be said that it is the middle of the east wall.

At this moment, the disgusting flesh and blood could be clearly seen on the high wall above the two heads, and under the wall, that is, under their feet, there were also large traces of blood, which were obviously the traces left by the zombies who climbed over the wall and fell to the ground.

So, why did the corpses pick the middle of the high wall on the east side so strangely and attack over the wall? It can't be for no reason, right? At least there has to be a proper reason, such as..... Smelling people through the wall, or hearing something that alarms them?

Qin Jian thought of this, and also said it to Xu Xin.

Xu Xin also felt strange about such a coincidence, so she didn't blurt out any explanation, and thought about it carefully.

After a while, Xu Xin's face was not very good and said, "Could it be that there are mutants infested?" ”

"Won't it?" When Qin Jian heard her say this, her face turned pale.

The strength of the mutant can be divided into one to ten levels, if there is a first-level mutant, it can still be accepted, but if it is a mutant above the first level......

There used to be a set of comparison charts in Shen Chaowei's notebook, the first-level mutant is equivalent to the strength of an F+-level evolutionary, the second-level mutant is equivalent to an E+-level evolutionary, and so on......

Therefore, as long as there is a second-level mutant, they will have to die a tragic death on the farm, and some big, hard iron gate may not be able to stop the attack of that thing......

"I hope that's not the case, or we'll be in big trouble."

Even in the dark night, Qin Jian could see the cold sweat on Xu Xin's forehead and her panicked expression.

"We can only stay on the farm for one night tonight, it's too late now, and if we evacuate en masse, I'm afraid we'll have to get into unnecessary trouble again." Xu Xin's voice was already trembling as she spoke, and it was obvious that she was still afraid that there was really a mutant outside the wall......

"Well, when I go back and tell you the news, the current situation is too unfavorable for us, and we can only wait until daytime to act."

"If you can, tomorrow morning, let's go to the other side of the wall." Xu Xin said.

Qin Jian nodded, and at this moment, the two heard a wail from the other side of the wall.

"Shh

The two of them made a silent gesture to each other, and then stared at each other so wide that they didn't even dare to breathe......

At the other end of the wall, there were scattered zombie wails, which didn't sound like much, but they were chilling.

After all, they had just climbed over the wall to attack them, and that didn't mean that there were only these zombies left on the other side of the wall, and maybe, if they weren't paying attention, they would accumulate hundreds of zombies and attack them at midnight......

Qin Jian was ready to stay awake all night, after all, even if there was not a single zombie outside the wall, he would have no intention of falling asleep tonight.

"Let's go, go back and see." Qin Jian whispered.

"Hmmm......"

The two of them trotted back all the way, Qin Jian's back was cold, and his hairs stood up, after all, the problem on the other side of the high wall was still worrying, and he couldn't feel at ease at all.

Back in the army, Qin Jian learned the news that the farmers had been rescued.

However, there is also bad news.

Not all farmers were rescued......