Chapter 14

The water rushed into the subterranean chamber like a breaking dam, churning white and ice-cold as it surged across the concrete floor, rapidly climbing toward their waists. Sarah scrambled up the vertical iron ladder, her hands slipping against the rusted rungs before she found a solid grip, her heart pounding furiously against her ribs.
Above her, Grandpa Arthur was hauling little Toby through a narrow circular hatch at the top of the maintenance shaft, guided by a brilliant beam of natural daylight that cut through the darkness like a beacon of hope.
"I've got him! Toby's out!" Grandpa Arthur’s voice echoed down the metal tube, thick with exertion. "Helen, get up here next! Move as fast as you can!"
Grandma Helen climbed with a surprising burst of adrenaline for her age, her light blue striped blouse fluttering in the updraft of fresh, cool air rushing down from the surface. Leo and his alternate self brought up the rear, pushing upward from below as the icy lake water climbed past their chests, swirling with discarded papers, wiring, and debris from the collapsed archive boxes.
"Come on! Keep moving!" Leo yelled, shoving his alternate self onto the next rung as the water level surged toward their chins.
The alternate-cycle Leo coughed violently, spitting out dark water, but he kept climbing with a fierce, desperate survival instinct. With one final, agonizing heave, he pushed through the upper hatch, tumbling out onto the bright, sunlit grass of the lake shore.
Leo followed immediately after, rolling onto the warm, dry earth just as the water level inside the vertical shaft crested and slammed shut with an automatic pneumatic seal.
For several long moments, nobody spoke. They lay scattered across the green grass near the edge of the sparkling lake, gasping for breath under the brilliant afternoon sun, completely drenched and shivering from the cold. A few yards away, the weathered wooden porch of Cabin Four-B stood peacefully against the treeline, looking entirely normal, quiet, and completely innocuous, as if nothing had ever happened beneath its floorboards.
Grandpa Arthur set Toby down gently onto the grass, pulling the trembling eight-year-old into a tight, protective embrace. Grandma Helen sat beside them, staring out across the calm surface of the water where a gentle breeze rippled the surface.
Sarah pushed herself up onto her knees, wiping wet hair from her face, and looked down at the alternate-cycle Leo, who was staring up at the clear blue sky with a look of profound, overwhelming peace in his eyes.
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"We're out," Sarah whispered, her voice barely audible over the distant rustle of the pine trees. "The loop... it's broken."
Before anyone could answer, the front door of Cabin Four-B slowly creaked open on its hinges, and a brand-new white notice paper fluttered gently off the frame, landing softly in the grass beside them with a fresh, unblemished seal.