The screen went dark.
The words remained in everyone's mind.
"The person you trust most is the person who started the murders."
Nobody spoke.
The underground chamber suddenly felt smaller.
Every person looked like a suspect.
Every friendship looked like a disguise.
Inspector Prakash slowly reached for his weapon.
"Nobody moves."
His voice echoed against the ancient walls.
Aditya looked around.
Ananya.
Leela.
Varma.
Narasimha.
Acharya.
Devendra.
Six people.
One hidden murderer.
Professor Acharya looked devastated.
"I don't understand."
Devendra watched him carefully.
"Perhaps you do."
Acharya turned sharply.
"What does that mean?"
The old Keeper remained silent.
Aditya noticed something.
The video recording had been created years ago.
But the message was clear.
Someone had planned for this exact moment.
Someone knew they would all gather here.
Someone knew the final chamber would open.
The question was:
Who had the knowledge?
Ananya broke the silence.
"The recording said the person we trust most."
Everyone looked at Aditya.
Because throughout the investigation...
One person had guided them.
One person had solved every clue.
One person had brought everyone together.
Aditya.
For a moment, nobody spoke.
Then Prakash said quietly:
"Aditya..."
Aditya looked at him.
"You suspect me?"
Prakash hesitated.
"I don't know."
The answer hurt more than an accusation.
Aditya looked toward the screen.
The recording had one more hidden detail.
He walked closer and examined the device.
"Wait."
Everyone turned.
"What?"
"The video was edited."
Acharya frowned.
"Edited?"
"Yes."
Aditya pointed toward the timestamp.
"The final sentence was added later."
Devendra's expression changed.
Only slightly.
But Aditya noticed.
"You know something."
The old man remained silent.
Aditya continued.
"The original message was different."
He examined the file again.
"The person who modified this recording wanted us to suspect someone."
"Who?" asked Ananya.
Aditya looked around the chamber.
"Everyone."
Suddenly, the lights flickered.
A small sound came from behind the chest.
Click.
A hidden compartment opened.
Inside was another diary.
But unlike the others...
This one had a name written on it.
Aditya Rao.
Everyone froze.
Ananya looked at him.
"Rao?"
Aditya stared at the diary.
His own surname.
The same surname connected to her grandfather.
The same surname that had appeared throughout the mystery.
"I have never seen this before."
Devendra slowly approached.
"That diary has been here for twenty years."
"Then why does it have my name?"
The old man looked at him.
"Because you were always part of the cipher."
The statement shocked everyone.
Aditya opened the diary.
The first page contained a photograph.
A photograph of a young child.
Standing beside Professor Acharya.
And beside the child was another person.
Aditya's grandfather.
Aditya's hands became still.
"My grandfather?"
Acharya looked away.
Ananya noticed.
"You knew?"
The professor remained silent.
"Professor..."
Finally, Acharya spoke.
"Yes."
Years ago, before Aditya became a detective, before he knew anything about the Society, his family had been connected to the mystery.
Not as thieves.
Not as guardians.
But as observers.
People chosen to continue the investigation if the Society failed.
Aditya turned the pages.
The diary contained notes about him.
His education.
His career.
His ability to notice patterns.
His arrival in Mysuru.
Everything.
A chill ran through him.
"This wasn't a case I discovered."
He looked at Devendra.
"This case found me."
Before Devendra could answer, a gunshot exploded inside the chamber.
Everyone ducked.
The bullet struck the stone wall.
The attacker disappeared into the shadows.
When the lights returned, one person was missing.
The diary was gone.
And lying beside the chest was a single note.
Written in fresh ink.
Three words.
"Ask your father."
Aditya stared at the message.
His father had never been mentioned.
Not once.
Until now.
And suddenly, the greatest mystery was no longer about the Society.
No longer about royal secrets.
It was about his own family.