The entries grew sparser, the letters shakier. Then, a final line, penned in a frantic, childlike scrawl: The house knows what’s coming. It’s tearing itself apart, one brick at a time, to show me.

The first time Eleanor noticed them, she was deadheading the roses. A glint of afternoon sun caught the mortar between the red bricks of her bungalow, revealing a thin, jagged line. It started at the corner of the living room window, took a sharp right turn, dropped two inches, then zagged left again before disappearing into the soil of the foundation.

At first, she heard nothing. Then, a low, granular groan, deep as tectonic plates grinding. It wasn’t the house settling. It was the house remembering—a subterranean shudder from 1967, from the dynamite that had shaken the water out of the earth, turning the till into a slurry. The blasting had stopped decades ago. The tunnel was built, sealed, forgotten. But the soil had never stopped flowing. It was still draining, grain by grain, toward that ancient disturbance. The house was not settling. It was sinking into a wound.

Her neighbor, a retired geologist named Frank, caught her staring one Tuesday morning.