"What's going on?" Hearing the news early in the morning, Xu Huo was overwhelmed.

He Feirong stood in front of him, looked at the note in his hand and said: "The explosion occurred at the beginning of the fourth watch, the explosion point was in Jingzhao Yin Neitang, Qian Zhennian and his wife died on the spot, and their only son survived while studying in the academy. ”

Xu Huo took a sip of tea, pondered for a moment, and said slowly: "But who did the clue?" ”

He Feirong spread his hands, "No gunpowder residue was found at the scene, I don't know why it exploded and caught fire, and where to start finding the real culprit?" But—"

Before Xu Huo squinted at him, He Feirong smiled, "There are two clues. First, according to the chatter of the yachas, it was learned that Jingzhao Yin's inner hall had been haunted in the past few days, and Qian Zhennian had been restless for several nights. ”

Xu Huo bowed slightly, "What about the second one?" ”

He Feirong paused, his face was slightly cold, "Second, yesterday, the county lord of Ningsu went to visit the yamen and gave a pack of Hu powder to Lord Qian, which was only about four taels. ”

Hearing that familiar name, Xu Huo was really surprised.

How could it have something to do with this girl?

But then hearing that there were only "four taels", Xu Huo breathed a sigh of relief inexplicably, and said lightly: "Hu powder is not any fuel, and it will never lead to an explosion and fire, let alone only so little." ”

He Feirong shrugged his shoulders and was noncommittal.

But he suddenly remembered something and said happily: "This matter can be regarded as a blessing in disguise." Jing Zhao Yin's yamen caught fire, many files were burned, and the newly appointed Jing Zhao Yin seems to be an 'acquaintance' of the prince. ”

"Who?"

He Feirong flipped through the remaining note in his hand, "Huizhou Xiuning County Order, Ye Zhiyi." ”

This name made Xu Huier, "Yes, it's really an 'acquaintance'...... Explain Tang Qi, don't show your stuff. ”

On that day, according to the information provided by He Feirong, he personally went to arrest the bandit "Red Crocodile", but when he succeeded, he happened to meet Huo Yunqian, who had run away from home, and by mistake, the two of them handed over the "Red Crocodile" to the Xiuning County Ya.

It was there that he discovered a piece of evidence that was crucial to Lin Ji's case.

Regardless of whether Jingzhao Yin Yamen's file was "burned" or not, with Ye Zhiyi, a person who knew the previous situation, at least it would not be as easy to be bought as his predecessor.

Xu Huo's fingers rubbed on the edge of the teacup for a moment, and suddenly thought of something, and said in a deep voice: "Let Ah Feng go to the Guogong Mansion, and also ask for a bag of Hu powder to send to Bangyun Pavilion, and by the way, help this king ask about the progress of the wheelchair." ”

He Feirong's eyes flashed, he didn't say anything, and retreated after answering.

……

Huo Yunqian hated being woken up from a sweet dream, and with her wake-up gas, it was enough to take three. The silver screen was lying on the ground.

Fortunately, there are always a few exceptions, such as Huo Yungui, who was sitting anxiously on the edge of her bed at this time.

"What the hell is going on, why did it explode?"

God knows that Huo Yungui endured it all night, stayed up until dawn and survived breakfast, and then ran to Huo Yunqian's residence.

Huo Yunqian rubbed his eyes, looked at her sleepily, muttered a few words, and his voice was a little blurred.

"What did you say?" Huo Yungui approached.

Huo Yunqian worked hard, and finally spoke more clearly: "Is there anything wrong with Mu Guan?" ”

Huo Yungui shook his head, "He did strictly follow your words, exiting the room to find cover, and then using a crossbow to shoot rockets into the room...... But why did the house blow up? ”

She recalled Mu Hongwen's description, and still had a palpitation, "That Qian Zhennian just threw flour at him, why did he start a fire and the house exploded?" ”

Huo Yunqian yawned and spread his hands: "I don't know, maybe I threw something else when I threw the flour, and it was detonated by Mu Guanshi's rocket." ”

She remembered reading in her second book that a British flour mill during World War II had not been bombed head-on, but a spark flew in through a window and then detonated...... Flour!

This strange story aroused her strong curiosity, and she hurriedly checked the information, only to learn that the reason why dust such as flour causes explosions is because of the large surface area of dust.

Compared with lumpy substances, these granular substances are more chemically active, have a large contact area with air, have more adsorbed oxygen molecules, and have a fast oxidation and exothermic process.

So when the conditions are right, if one of the particles of dust is ignited by the fire, a chain reaction will occur, which will cause an explosion.

But this kind of thing is difficult to explain to Huo Yunzhui, and if it is explained clearly, I am afraid that it will arouse the second sister's suspicions.

As soon as he thought of this, Huo Yunqian gently patted Huo Yunzhui's shoulder, and said solemnly: "Second sister, so our kitchen also has to explain, those things like flour and cornmeal must not be thrown around at will, and offenders will be severely punished." ”

Huo Yunzhui nodded silently.

Although Xiaomei didn't say it explicitly, she also felt that it must have something to do with flour, in short...... You have to be careful in the future.

As soon as Huo Yungui left on the front foot, Huo Tang'er came.

Because of her trust and dependence on Huo Yunqian, after obtaining Mrs. Feng's consent, Huo Tang'er moved to Dingyuan and lived with Huo Yunqian.

She was looking forward to what her little aunt would take her to learn today, so she got up early to freshen up and change her clothes, and ran to Huo Yunqian's side to listen to the dispatch.

Huo Yunqian's stomach was full of anger, and he really couldn't vent his anger this time, so he had to freshen up in a daze, and prepare to have breakfast after changing clothes.

As soon as he got up, someone came to report that the Qin Wangfu had sent someone to fetch things from the young lady.

"The drawings haven't been drawn yet, what to take, tell them, they can't eat hot tofu in a hurry!" Huo Yunqian seized the opportunity and scolded angrily.

She was still holding her breath when she got up, and her stomach was still hungry, so why did the damn old man come early in the morning to block people?

The girl who was talking outside was cringe, and she was even more frightened by Huo Yunqian's training, and she almost cried: "Someone said...... Said to come to fetch ...... Take the powder. ”

"Powder? What powder? Huo Yunqian is even more angry, could it be that the old widower has been single for many years, and finally wants to open and prepare to come out with Tang Qi?

And is it the one below?

Yinqiao couldn't stand it anymore, so she went out of the room and communicated carefully with the little girl before she came back and said, "It's a dark-skinned young man who said he wanted a pack of Hu Fan brought back by Miss." ”

The word "Hu Fan" made Huo Yunqian excited, could it be that Xu Hui's guy saw through her trick, and Xingshi asked for guilt?

"Is it mute or can you talk?"

This time, there was no need for Yinqiao to pass the word again, and the little girl outside the door raised her voice and said, "Miss Huisan, she is a person who talks a lot." ”

Huo Yunqian knew it in his heart.

She rolled her eyes, her eyes fell on Huo Tang'er, who was sitting quietly beside her, her eyes suddenly lit up, and she grabbed Huo Tang'er's hand, "Come, do my little aunt a favor." ”