Chapter 4 - Beneath the FlagstonesThe search for the hidden entrance consumed the entire morning. While the nuns attended lauds in the chapel, their voices drifting through the stone corridors in haunting, multi-part harmony, Caridad worked alone in the deepest corner of the convent’s cellar—the old wine storehouse that had not been used for storing barrels in over a century.
The walls were damp, covered in thick green moss and ancient salt deposits. Caridad knelt on the uneven flagstones, tapping the floor with an iron crowbar she had taken from Brother Thomas’s shed.
Clack. Clack. Clack.
Most of the stones produced a solid, deadened thud against the packed earth beneath. But as she reached the far northern corner, behind a stack of rotting oak crates, the sound changed.
Hollow. Resonant.
Caridad’s heart hammered. She jammed the flat end of the crowbar into the mortar line between two large rectangular stones and leaned her full body weight against the iron shaft.
With a dry, grinding groan of crumbling cement, the stone shifted.
She pried harder, sweat beading on her forehead, until the heavy flagstone flipped over with a dull thud, revealing a dark, yawning opening in the floor. A gust of stale, chilled air rushed up from the abyss, carrying the faint, chemical scent of antiseptic, aged paper, and ozone.
Caridad held her lantern over the opening. A steep flight of rusted iron stairs descended into the absolute blackness below.
Without hesitation, she pulled a woolen headscarf tighter around her neck, gripped the lantern tightly, and began to descend.
The stairs seemed to go down forever, winding in a tight spiral beneath the water table of the hill upon which the convent was built. As she reached the bottom, her boots splashed into a shallow layer of standing water.
She raised the lantern higher.
The light illuminated a long, concrete corridor reinforced with heavy steel beams—modern architecture grafted seamlessly onto ancient stone foundations. Industrial fluorescent lights hung from the ceiling, though they were switched off, leaving only the amber glow of her lantern to guide her way.
Caridad walked forward slowly, her footsteps echoing in the narrow tunnel. To her left and right, heavy steel doors with electronic keypads lined the corridor, resembling a high-security laboratory or a private medical facility rather than a medieval church vault.
She tried the handle of the first door. Locked.
The second door. Locked.
As she reached the third door near the end of the corridor, she noticed the electronic panel was lit with a faint, pulsing blue standby light. Resting on a small stainless-steel shelf beside the keypad was a matching steel transceiver—identical to the one she had found on Esperanza’s nightstand.
She reached out and touched the keypad. It didn't require a numerical code; it possessed a biometric optical scanner.
Caridad pressed her thumb against the glass.
Access Denied. Biometric mismatch.
A harsh red light flashed, and a low mechanical hum vibrated through the steel door.
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Suddenly, a soft mechanical click echoed from the wall above her. Caridad spun around, raising her lantern.
A concealed ceiling-mounted camera, its lens pivoting silently on a motorized swivel, locked its red surveillance eye directly onto her face.
