She married a dying prince and she won three babies.

"Princess, we really didn't hear any noise that night." Xia Yu was extremely annoyed.

He was on duty that night, so the iron box was lost in his hands.

He has been thinking about this for a long time these days. Are their abilities so poor?

They are not just assassins trained to kill people, but capable assistants to their masters who need to learn everything.

“The first time, he disappeared silently as well.

This time too, the enemy must have used the same method.

If we think of the method they used, we can figure out how they stole it.”

Yu Yuanzheng analyzed the two events in connection with each other.

"Princess, could it be that they just dropped from the sky?" Zhuiyun was also very angry.

"How could it fall from the sky? Everyone could see it. Even if it was dark, we could still notice it." Zhuyue disagreed.

"I'm just talking." Zhuiyun glanced at him.

“There were ten of us, with people going in every direction.

If they sneak into the palace directly and quietly approach Linheyuan, we will definitely be able to detect it.

"And now, even the gardens in the palace have people stationed there every night," Chunlei analyzed.

The guards throughout the palace are now more difficult to enter than before.

In fact, the weakest point is the main gate, which has only a few gatekeepers.

But no one would choose to come in through the front door.

"It didn't fall from the sky, nor did it sneak in directly, so it could only be done by one of our own people who hid in Linheyuan in advance." Xia Yu thought of this possibility.

"Everyone in Linheyuan is here, and no one has gone out." Yu Yuanzheng was sure of this.

Besides the secret guards, there were only weak women and a few children.

Unless someone is a master of hiding, no one will find out.

Thinking of this possibility, Yu Yuanzheng's heart skipped a beat and he broke out in a cold sweat.

It couldn't be that any of the women in her courtyard was a martial arts master, a spy arranged by the enemy, and had been hiding.

"Chun Lei, what's the difference between people who practice martial arts and ordinary people?" Yu Yuanzheng really didn't know.

The most she could see was that people who practiced martial arts looked stronger and healthier.

"To reply, Princess, people who practice martial arts have a slower heartbeat." Chunlei pointed out the biggest characteristic.

Martial arts skills can be hidden, the lower body can be hidden when walking, but a martial artist cannot control his heartbeat.

"Madam Ye, gather everyone in the courtyard together." Upon hearing this, Yu Yuanzheng immediately called out to Madam Ye who happened to be passing by.

At the same time, she suddenly realized that athletes' heartbeats are slower than those of ordinary people.

Nanny Ye didn't ask why, but called all the servants serving in the courtyard to the main hall.

Yu Yuanzheng pressed their Cunkou pulses one by one.

It turned out that they were all ordinary people, with heart rates between seventy and eighty.

This possibility was ruled out, and Yu Yuanzheng felt relieved.

Several people fell into a dead end again.

"If it's neither in the sky nor on the ground, then the only option left is underground." Yu Yuanzheng thought of another possibility.

When she said this, several guards disagreed.

“Princess, the tunnel is not that easy to dig, especially in a palace like the Prince’s Mansion, not in a remote outer city.

"If we want to make it so that no one notices, how many years will it take to dig? Decades? And how will we deal with the soil?" Chunlei analyzed it from a practical perspective.

"It's hard to say. Since we think of this possibility, let's check in this direction." Yu Yuanzheng thought of the tunnel warfare he had seen in his previous life.

Although the tunnel was not dug secretly and involved the participation of the entire nation, it still took six years.

But if Canglan Country was determined to steal the iron box, it would take decades. The palace had never moved.

The more I think about it, the more likely it is.

"Chun Lei, organize people to pry up the floor tiles. Let's start with the main hall." Yu Yuanzheng said without hesitation.

She wanted to make sure whether her idea was wrong.

The floor tiles of the palace are not bricks, but stone slabs. It is quite a task to pry the tiles apart.

"Yes, Princess." Chunlei immediately took the order and went to the housekeeper to ask for some servants.

"Xia Yu, the rest of you, knock on each floor tile first and listen to the sound to see if there are any empty ones."

Yu Yuanzheng had an inexplicable premonition that this was most likely what she was thinking.

The ground was about to be broken in the yard. Yu Yuanzheng was moving the yard again.

Now that her father and mother were not in the palace, she simply moved directly to the main courtyard. She no longer lived in the main house, but in the right wing, where Shangguan Ziqi had lived before he was seven years old, and where her younger sister would live from now on.

Anyway, Qiyayuan will be repaired in a few days.

It is also convenient to take care of household chores while living here.

After Yu Yuanzheng left with the maids and servants in the yard, Xia Yu and the other two immediately took some thicker wooden sticks and started hitting them one by one.

As a result, after knocking carefully on all the stone slabs, nothing unusual was found.

Butler Li sent ten servants to move the Crown Princess's belongings to the main courtyard first.

Then move all the furniture into the yard.

Then, according to the Crown Princess's instructions, the stone slabs were pried up one by one.

Let’s start from the main hall.

The stone slab was not easy to pry open, and it took a lot of effort.

When they pried into the north main seat, they discovered the problem.

The four stone slabs were unexpectedly different from the others.

It seems to be embedded in something and cannot be pried out at once.

Especially strong.

As soon as Yu Yuanzheng got the news, she went to see them prying.

As the four stone slabs were destroyed, what was underneath was revealed.

It is an iron frame with four stone slabs embedded in it.

It is also movable and can be raised and lowered.

This is a mechanism.

The iron frame is buried in the soil.

Looking at the soil again, it was soft and loose, and it was obvious that it had only been filled in a short time ago. No wonder there was no hollow sound when they knocked on it.

"Clear out all this dirt." When Yu Yuanzheng saw this situation, there was nothing he didn't understand.

The thieves came in from underground.

But this was too much of a coincidence. The iron box was on the table right above these stone slabs. The thief could get it by just leaning out half of his body. If she had put it somewhere else, the thief would have to climb up from below to get it.

The two servants continued to clear out the loose soil.

There was a huge pile of them in the yard. It was obvious that the other party had made preparations long ago and sealed the hole as soon as they got the box.

After the cleanup, an underground tunnel appeared in front of everyone.

"My God, these damn thieves." Butler Li was heartbroken.

He has been in the palace for fifty years and grew up in it since childhood, so how come he didn't notice anything?

Someone actually dug a tunnel under the palace.

"Chun Lei, light the lantern. I want to go down and take a look myself."

"Princess Consort, you'd better not go down. What if there's danger?" Chun Lei disagreed.

What if there is a trap or an enemy hiding down there?

They were also derelict in their duty by failing to protect their master.

"You go in front and I'll go in the middle." Yu Yuanzheng insisted.

"Princess, I'll go down too." Butler Li also wanted to go and see. He wanted to report the truth to the prince.

He wanted to see how these thieves did it.

"Okay, let's go down together." Yu Yuanzheng knew how miserable he was by looking at his hateful expression.

The palace was bullied to such an extent by the Canglan Kingdom. As a member of the palace, who wouldn't be angry?

Each person carried a lantern and went down through the cave entrance.

The space below is not wide and can only accommodate one person.

I had walked less than ten feet when I found a fork in the road.