The black knight chess piece sat in the center of Team Seven’s workbench.
No one had touched it since leaving the archives.
It was small.
Ordinary.
Yet somehow, it felt heavier than any textbook in the room.
Professor Hayes looked at each member of the team.
“I want everyone to listen carefully.”
Her usually calm voice carried an unusual seriousness.
“From today onward, none of you will investigate this alone.”
“If you need to search the archives, you go in pairs.”
“If you stay late in the workshop, you leave together.”
“And if anything—anything at all—seems unusual, you tell me immediately.”
Everyone nodded.
Even Noah, who usually found a joke in every situation, remained silent.
When Professor Hayes left, Noah finally let out a long breath.
“Well…”
He looked at the chess piece.
“I officially miss worrying about exams.”
Ariana managed a small laugh.
“I never thought I’d say this…”
“…but I miss normal homework.”
Claire quietly packed her notebook.
“Maybe we should focus on the project.”
“The festival finals are only three weeks away.”
Ethan nodded.
“She’s right.”
“Whoever’s doing this might want us distracted.”
“If we stop working, they win.”
Ariana looked at him.
“So…”
“We keep going?”
He smiled.
“We keep going.”
The next few days passed quickly.
Classes became busier.
Assignments piled up.
The medical-assistance robot slowly began taking shape.
Its sensors were finally working.
The robotic arm could lift small objects without dropping them.
Noah had even managed to improve its voice-recognition system.
“Robot,” Noah announced proudly.
“Say hello.”
The robot’s eyes lit up.
“Hello.”
Everyone smiled.
“Now say, ‘Noah is the greatest programmer ever.'”
The robot paused.
“I’m sorry.”
“I cannot tell lies.”
The room erupted with laughter.
Noah placed a hand over his heart.
“I programmed betrayal.”
Even Claire laughed.
For a brief moment…
Everything felt normal again.
Later that afternoon, Ariana stayed behind to organize the team’s design files.
She loved quiet moments like these.
The workshop was peaceful.
The sunlight streamed through the tall windows, painting golden patterns across the floor.
She opened one of Daniel Carter’s notebooks again.
She wasn’t looking for clues anymore.
She simply admired his sketches.
His ideas had been years ahead of their time.
As she carefully turned another page…
Something slipped out.
A folded envelope.
Yellowed with age.
There was no name.
Only one sentence written across the front.
If you’re reading this, you finally looked closely enough.
Ariana’s heart skipped.
“Ethan…”
she called softly.
“What happened?”
“I found something.”
The entire team gathered around.
Ethan carefully unfolded the letter.
Inside was only a single sheet of paper.
The handwriting matched Daniel’s.
Sometimes the greatest mistake isn’t trusting the wrong person.
It’s believing the truth will protect everyone.
If anything happens to me, don’t blame my team.
The answer isn’t inside the competition hall.
Look beneath the old clock tower.
Silence.
Noah blinked twice.
“Well…”
“That’s definitely not normal.”
Claire’s face suddenly lost its color.
“The clock tower…”
Professor Hayes, who had just entered the workshop, froze when she heard those words.
“What did you say?”
Ethan handed her the letter.
She read it once.
Then again.
Her expression changed completely.
“I can’t believe this…”
Ariana frowned.
“You know something.”
Professor Hayes hesitated.
“The old clock tower…”
“It used to be the Robotics Club’s original workshop.”
Everyone stared at her.
“What?”
She nodded slowly.
“Years ago, before the new engineering building was constructed, students worked beneath the old clock tower.”
“So why was it abandoned?” Noah asked.
“The basement flooded during a severe storm.”
“It was sealed.”
“No one has used it since.”
Ethan looked at Daniel’s letter again.
“If my brother wrote this…”
“…then whatever he wanted us to find is still there.”
That evening, the rain returned.
Heavy drops tapped against the windows as Team Seven gathered in the engineering workshop.
No one wanted to wait until morning.
“We’re really doing this?” Noah asked.
Professor Hayes folded her arms.
“Absolutely not.”
Everyone looked at her.
“It’s nearly eight o’clock.”
“The basement has been closed for years.”
“If there is something important there, we’ll search tomorrow—with permission.”
Noah sighed dramatically.
“There goes my adventure.”
Claire nodded in agreement.
“Professor Hayes is right.”
Reluctantly, everyone packed their bags.
As they stepped outside, Ethan caught up with Ariana beneath the covered walkway.
“You look disappointed.”
She smiled.
“A little.”
“You wanted to go tonight?”
She laughed softly.
“A little.”
He looked toward the rain.
“So did I.”
They stood together for a moment, watching the water splash against the stone paths.
“I’ve been thinking,” Ethan said quietly.
“About what?”
“My brother.”
She waited patiently.
“I always believed he left because he couldn’t handle what happened.”
“But now…”
“…I’m starting to think he left because he was protecting someone.”
Ariana gently touched his arm.
“We’ll find the truth.”
He looked at her.
“You really believe that?”
She nodded without hesitation.
“Yes.”
Her answer was simple.
Certain.
For the first time since all of this had begun…
Ethan felt hope.
At the Student Council building…
Claire stood alone by the second-floor window.
She watched Ethan and Ariana walking across the courtyard together.
Her phone vibrated.
Another unknown message.
Tomorrow.
The clock tower.
Make sure they don’t reach the basement.
Claire’s breathing became uneven.
She quickly typed a reply.
I’m done helping you.
The response arrived almost instantly.
You don’t have a choice.
Attached was an old photograph.
Claire’s eyes widened.
It showed her father standing beside Professor Adrian Wells—the former Robotics Club advisor.
Written across the bottom in black ink were four chilling words.
Some secrets destroy families.
Claire’s hands began to shake.
Tears gathered in her eyes.
“What do you want from me…?”
she whispered.
No answer came.
Only silence.
The next morning…
Dark clouds covered the university once again.
Team Seven met outside the old clock tower.
The building stood at the far edge of campus, surrounded by ancient oak trees.
Its brick walls were weathered.
Its tall clock had stopped at 10:17 years ago.
Professor Hayes unlocked the rusted iron gate.
The hinges groaned loudly.
“I haven’t been here in almost three years,” she admitted.
Ariana looked up at the towering structure.
“It feels…”
“…like the whole campus forgot this place.”
“Maybe it wanted to,” Professor Hayes replied.
They stepped inside.
Dust floated through the dim light.
Broken furniture stood abandoned.
Old robotics trophies lined cracked wooden shelves.
Everything looked frozen in time.
As they approached the staircase leading to the basement…
A loud crash echoed above them.
Everyone looked up.
A loose wooden beam had fallen across the entrance they had just used.
Noah jumped.
“Please tell me that happened naturally.”
Before anyone could answer…
A faint laugh echoed somewhere below.
Not loud.
Not clear.
Just enough for everyone to hear.
Then…
Silence.
Ariana and Ethan looked at each other.
Someone else was inside the clock tower.
And they were no longer following clues.
The clues had led them straight into a trap.