When Dr. Asa saw the portraits hanging in the hall, he pointed to the portrait in the middle and said with certainty: "I guess the person in this portrait is what you call Master Sadaaki!" ”

Hearing this, the gardener nodded with a smile and said, "Yes, because the noble young master and the old master Zhenzhao were exactly the same when they were young, anyone who sees them will know that they are their biological father and son." ”

The person in the middle portrait is Master Zhenzhao, and he looks nine points similar to the noble young master Jiang Sheng and the others saw before, but he has some more wrinkles and beards on his face.

"Squeak Crunch ......"

Just as the gardener introduced Jiang Sheng to the characters in the portrait, a slight sound of a roller sounded, followed by an old voice: "What are they?" ”

Jiang Sheng turned to look and saw that the person who came was a white-haired old woman in a wheelchair, her face was full of wrinkles and age spots, and she was wearing a pair of glasses.

“……”

After Jiang Sheng saw this white-haired old woman, he was slightly stunned at first, and then seemed to notice something? The corners of his mouth raised a faint arc.

When the gardener heard the old woman's words, he hurriedly replied: "Big lady, this is Mr. Jiang Shengjiang, he is a private detective, and the group of them has lost their way in the forest, so they want to stay in the castle for one night. ”

"Private detective? That's great, and I can ask you to help us solve the puzzle that the old man left behind! After the old woman learned that Jiang Sheng turned out to be a private detective, her eyes changed slightly, and she said meaningfully in an old voice.

"Puzzles?"

The gardener noticed Dr. Asasa's puzzled expressions, and quickly explained, "That's right, before the Great Master died, he once said that as long as anyone who can solve the puzzle of the castle, he can obtain the most precious treasure he left behind. ”

As soon as the gardener's garden fell, the man in a suit walked out with the nobles of the palace, and he couldn't help but smile and asked, "Does Mr. Jiang Sheng have any thoughts about the last words left by my father-in-law?" ”

Jiang Sheng glanced at the palace man who walked in, and said confidently: "I haven't figured out the specific meaning of this last sentence for the time being, but I still have some preliminary thoughts." ”

"Oh?"

When they heard this, their faces changed slightly at the same time, and then they hurriedly said, "Then please ask Mr. Jiang Sheng to explain it in detail?" ”

"I just heard Mr. Tian Tian, who is in charge of repairing the garden, say that since the death of the eldest master, he has been taking care of the garden in accordance with the last wish of the eldest master, so that the chess pieces and the lawn are kept as they are.

Coupled with the fact that you said that the old man left behind the so-called 'castle puzzle', then I suspect that the clue to solving the puzzle is likely to be hidden in these chess. ”

Jiang Sheng touched his chin, then turned to the side of the palace and asked, "Mr. Man, may I ask which room in your castle can you watch the complete chess game?" ”

"Mr. Jiang, please come with me."

When he heard Jiang Sheng's analysis, he immediately felt that the hope of solving the puzzle of the castle was in front of him, and hurriedly led him towards the room directly opposite the Western chessboard.

When Conan saw this scene, he hurriedly followed, and the old woman in the wheelchair changed her eyes for a while, and finally pushed the wheelchair to follow.

……

Under the leadership of Mamiyaman, Jiang Sheng and the others soon came to the room on the second floor facing the chessboard, and through the window here, they could just take in the panoramic view of the chessboard below.

Jiang Sheng looked at the chessboard below and pondered for a while, and suddenly realized with a sudden face: "So that's the case!" ”

They noticed Jiang Sheng's suddenly realized expression, and couldn't help but ask with anticipation, "Mr. Jiang Sheng, do you see something?" ”

"If you look closely, don't you think these black pieces look like a counterclockwise rotating marker?" Jiang Sheng did not directly say the answer to the riddle, but pointed to the Western chessboard below and said.

"It's really a swirling pattern, and it's marked with arrows!"

After Jiang Sheng's reminder, they stared at the chessboard below for a while, and when they eliminated those white chess pieces, they were surprised to find that those black chess pieces really formed a counterclockwise rotating mark.

"But what does this counterclockwise rotation mark represent?"

The corners of Jiang Sheng's mouth rose slightly: "If these black chess pieces indicate the direction of rotation, then these white chess pieces should indicate the location of the rotation mechanism."

Chess is usually marked with the English letters A to H, and the numbers from 1 to 8, that is to say, according to the order of these white chess pieces, they should represent the seven English letters E, G, G, H, E, A, and D. ”

"Pedant? Nerd? By the way, isn't my father-in-law a scholar of history? Do you say ......"

"Since the eldest lord is a scholar of history, the location of this institution will definitely be related to the eldest lord himself. If I'm not mistaken, the portrait in the hall is supposed to be the location of the agency. ”

When Jian Gongman heard Jiang Sheng's analysis, he exclaimed excitedly: "Then what are we waiting for, go and give it a try?" ”

"Wait, we have one more thing to deal with before we can open the mechanism."

Jiang Sheng stretched out his hand to stop the palace, turned his head to look at the old woman in the wheelchair, and said word by word: "That is-catch the murderer of the eldest lady!" ”

"What?!"

When everyone heard Jiang Sheng's words, their faces changed drastically at the same time.

After Mamiya Man came back to his senses from his surprise, he asked confusedly, "Mr. Jiang Sheng, what are you talking about?" Isn't my mother-in-law alive and well? ”

"Really? Do you really think that this old woman in front of you is your mother-in-law? ”

"Who else could she be if she wasn't my mother-in-law?" Mamiya Man glanced at the old woman in the wheelchair, and then at Jiang Sheng, a little at a loss.

Jiang Sheng stared at the old woman whose face changed slightly, and explained unhurriedly: "A person who has been paralyzed all year round will inevitably atrophy the muscles of her legs, but the legs of this 'big lady' in front of her are no different from ordinary people.

The most important thing is the pair of glasses she is wearing, it is normal for the elderly to wear reading glasses, but the pair of glasses she wears is not reading glasses, but flat glasses.

A child like Conan wears flat glasses, which can be said to be handsome, but an eighty-year-old man like the 'big lady', she can't wear a pair of flat glasses to catch up with the trend, right?

Combined with these two suspicious points, I dare to conclude that the 'big lady' in front of me is pretending to be someone else, and the real 'big lady' is probably killed a long time ago! ”