The blacksmith lady is killing people in the harem, and her son is responsible for it.

In the following days, Qin Wan became very busy. She stayed in her small shed all day, often making a lot of noise.

Seeing Qin Wan like this, Caihuan finally believed it. Qin Wan didn't want a small kitchen in the first place. She wanted to use this shed for ironwork.

After making this discovery, Caihuan also reported the news to Song Zhirou.

Song Zhirou looked at Chuncai in disbelief, "Did you hear it right? Qin is really working as a blacksmith all day long?"

Chuncai nodded, "Cousin, it is absolutely true. After Caihuan reported it, I went to see it myself. I could hear banging noises outside the courtyard wall. It must be true."

Song Zhirou didn't relax, but frowned, "This Qin is really a freak, what is he trying to do, and he's so stupid."

Chuncai was also confused, but she was optimistic. "Wouldn't it be good for the eldest young lady to be trapped in the yard all day? At least she wouldn't cause trouble for the cousin."

Song Zhirou shook her head, "It's definitely not a simple matter. Ask Caihuan to keep an eye on it."

"Yes, cousin!"

Similarly, Qin Wan's iron-forging work in the yard was also reported to the Marquis's wife and the Marquis of Zhenbei.

The Marquis's wife did not take it seriously and thought that as long as Qin Wan was honest, it would be fine.

She could even give Qin Wan some iron ore for free, as long as she didn't cause any trouble.

Marquis Zhenbei took it seriously. Iron is a good thing. Iron and salt are the two things the court values most.

With enough iron, arrowheads for weapons could be made, and the court was also closely monitoring it.

So what does his eldest daughter-in-law want to do?

The Marquis of Zhenbei looked at the chief steward and ordered, "Fusheng, send someone to keep an eye on Qin, and also send someone to follow her secretly when she goes out to see where she goes."

Manager Zhao nodded, "Yes, Lord!"

Qin Wan didn't know that she had attracted some people's attention. She was just immersed in her own world.

Just like before in the mechanical room, she began her research.

She understood the principle of bullets, but it was not easy to actually make one, so she worked on it for several days but the results were not significant.

There was no result on her side, she just kept knocking and hammering every day, and the people who were keeping an eye on her also reported the truth to the Marquis of Zhenbei.

The Marquis of Zhenbei chuckled, "It seems like they are just playing house. Okay, you don't need to keep an eye on her in the mansion anymore. Just watch her when she goes out. Also, if she sends a letter to her uncle, intercept it."

"Yes, Lord Marquis!"

Zhenbei Hou waved his hand, and the man in black disappeared.

Qin Wan didn't make much progress for more than ten days, but she did make a lot of semi-finished products, which made her quite depressed.

Thinking of Soo-jin's pistol, he realized that time had been wasted, "Oh, I forgot something important."

Putting down the hammer in his hand, he took off his apron and said, "Cai Huan, Cai Huan?"

While Qin Wan was working on the ironwork, Caihuan and Caiping hid in the house and embroidered.

Of course, it’s my own private work, and the handkerchiefs I show off can also be sold for money.

During this period of time, they have become accustomed to the life in Cuiyuxuan. The master does not reward them, but he also does not make things difficult for them.

Nor will they punish them without reason.

Gradually, the two maids began to show some sincerity towards him.

When Cai Huan heard Qin Wan's call, she immediately put down the handkerchief in her hand and said, "The eldest young lady called me. I will go out first."

Caiping has already discovered that Qin Wan prefers to use Caihuan, but she is not jealous. If she doesn't look for her, she still has time to be lazy.

Cai Huan walked out quickly, "Madam, you are looking for me."

Qin Wan ordered, "Caihuan, go tell the doorman that I'm going out, and prepare the carriage."

"Yes, Madam Young Master, I will go right away."

Caihuan don’t have many opportunities to go out. Unless their master sends them out to buy things, they cannot leave the house at will.

She had saved up quite a few handkerchiefs and was waiting to sell them at the cloth shop.

Although she could find someone in the mansion to sell it for her, she had to pay a bribe, so Caihuan was naturally not happy about it.

After all, every bit you save counts.

When Cai Ping heard that Qin Wan was going out, she hurriedly prepared her embroidery, intending to take advantage of this trip to sell them together.

Qin Wan didn't care what the maid did. In her opinion, the Marquis' Mansion was not her home. It was just a place where she lived temporarily, similar to a university dormitory.

Servants like Caihuan and Zhao Pozi are like roommates.

She is the boss of the dormitory, and these people are responsible for serving her, washing her clothes and delivering meals.

Qin Wan had no intention of enslaving them. As long as they didn't provoke her, everyone could live in peace.

This time, the coachman Zhang Bing was still driving the carriage.

After Qin Wan got on the carriage, Cai Huan and Cai Ping followed on both sides of the carriage. Qin Wan instructed: "Uncle Zhang, let's go to the blacksmith shop we went to last time."

"Okay, Madam!"

As soon as Qin Wan left the house, someone reported it to the Marquis's wife.

Madam Hou didn't care either. "That's enough. Don't worry about Qin. She can do whatever she wants."

Qin Wan came to the blacksmith shop and Manager Li saw her at once, because there were very few women coming to the blacksmith shop.

What's more, he had seen the automatic crossbow before, and he really admired someone who could come up with such an ingenious idea.

"Mrs. Zhao, you are here. Please come in."

Qin Wan took a few quick steps and asked, "Manager Li, are my things ready?"

Shopkeeper Li nodded, "It's done, Madam Zhao, come this way."

In fact, Shopkeeper Li had a selfish motive. He wanted to buy the design drawings of Qin Wan's crossbow. Although their blacksmith shop already knew how to make it, he did not dare to withhold it privately.

After all, Qin Wan has the Zhenbei Marquis Mansion behind her, and they, a small blacksmith shop, dare not offend it.

Qin Wan followed Shopkeeper Li to the inner room, and then saw Shopkeeper Li mysteriously taking out a crossbow from the cabinet.

"Mrs. Zhao, here she is!"

Qin Wan was very satisfied looking at the crossbow that had been polished to a shiny finish, but what she cared about most were the parts of Xiuzhen's pistol.

"Thank you, Shopkeeper Li. In addition to the crossbow, I have other parts. Are they ready?"

"Oh, those scrap metals that Madam Zhao mentioned are here!" Shopkeeper Li casually took out a few parts from the box. "Madam Zhao, take a look. Are they correct?"

Shopkeeper Li tried to piece it together many times in private, but just couldn't. He didn't know what this thing was used for.

Later I gave up and just threw it into the box.

Qin Wan checked the parts of Xiuzhen's gun one by one, and after finding that they were all correct, she nodded and said, "Thank you, Shopkeeper Li. I will give you the rest of the money now."

Shopkeeper Li waved his hands hastily, "Mrs. Zhao, don't worry. I have an unreasonable request, but I don't know if I should say it or not."

Qin Wan said calmly, "Shopkeeper Li, can you tell me what it is first?"

Qin Wan's subtext is that you talk about it first, and then I will consider whether to agree or not.

Shopkeeper Li rubbed his hands and said, "Madam Zhao, this is the case. I wonder if you would sell the blueprints of your crossbow?"