Leon and Maja find a brass key in the old clock tower and discover a hidden door that should not be there. The tower seems to be keeping a secret, and it is not finished with them yet.
Leon and Maja had a weakness for locked doors, secret passages, and anything that looked older than the people standing near it. So when the town announced guided visits inside the old clock tower, they were among the first to join the line in the market square.
The tower rose at the end of a narrow cobbled street, tall and grey, with a clock face that stared down at the square like a giant unblinking eye. Every time the wind moved, the bells gave a low, hollow note that seemed to come from deep inside the stone.
Inside, the staircase wound upward in tight circles. Each step complained under their shoes. Dust floated in the shafts of light, and the walls were lined with faded photographs of watchmakers with serious faces and rolled-up sleeves. The air smelled of old paper, machine oil, and something dry and secretive.
At the top of the stairs, just below the huge clock mechanism, their guide, Ms Jadwiga, waited with a bundle of keys at her belt. She had a sharp voice and a way of speaking that made even ordinary facts sound important.
"This tower has seen more than most people realise," she said, patting the stone wall. "Some things were stored here. Some were hidden. And some were never meant to be found by accident."
Leon glanced at Maja. She lifted her eyebrows. That was exactly the sort of thing they liked to hear.
While the rest of the group crowded around the window to look over the rooftops, Leon wandered a few steps away. Near the floor, half hidden by shadow, he noticed a patch of stone carved with tiny initials. He crouched down and brushed away a line of dust with his fingertips.
One letter caught on something hard.
Leon froze. He pressed a little more and felt metal beneath the stone. Something small was stuck in a narrow hole. He hooked a fingernail under it and pulled.
A brass key slid free into his hand.
He looked up at once. Maja was already staring at him, her face bright with the same quick, startled excitement.
They did not say a word. They only stepped back, turned their hands so no one could see the key, and waited until the others moved toward the staircase.
When Ms Jadwiga closed the door behind the group and the footsteps faded below, the tower seemed to change. The ticking of the great clock grew louder. The old gears shifted with a deep metal sigh.
Maja noticed something Leon had missed: behind the gearbox, almost swallowed by cobwebs, there was a tiny door set into the wall. Above it, carved so faintly it could have been missed forever, was the same letter Leon had touched.
"E," Maja whispered.
Leon knelt, slid the key into the lock, and turned it.
A click echoed through the chamber.
The little door crept open, releasing a cold breath from the darkness beyond. Not a storage space. Not a cupboard. A narrow corridor disappeared into the tower's inner walls, black and silent, except for a sound that drifted out from deep inside.
A whisper.
Leon held the key tighter.
Then something moved in the dark.