Chapter 1 - Three Knocks Beneath the Floor

The concrete moved before anybody heard it.
One hard pulse traveled through the clubhouse floor, up the legs of the memorial table, and into sixty pairs of boots.
My father’s framed photograph shifted half an inch.
One candle fell.
Nobody laughed.
I was already crouched beside the electrical panel.
“Everybody back.”
Wade Ror looked at me from across the room.
At fifty-six, president of the Black Hollow Riders and built like a refrigerator in a leather vest, Wade was not a man people normally waited to see frightened.
That night, he looked close.
“Sadie?”
“Back. Now.”
The second vibration hit harder.
A crack opened beneath the memorial table.
Someone cursed.
Then came three slow knocks.
Metal against metal.
One.
Two.
Three.
Exactly one second apart.
Sixty bikers stopped breathing.
I pressed my palm against the floor.
There was machinery beneath us.
I knew it.
Twenty minutes earlier, I had been outside in the rain running ground-penetrating radar because Wade complained of a strange power draw and a depression forming near the drainage wall.
The scan found a rectangle twelve feet underground.
Thirty feet long.
Twenty wide.
Dense enough to be steel.
There was no basement on the building plans.
No utility room.
Nothing.
The clubhouse had been poured in 1955.
The wiring inside the panel was not.
Bright orange Category 6 cable ran through oxidized conduit and disappeared into a hole drilled through old concrete.
Fresh sealant surrounded it.
Somebody had worked here recently.
The crack widened.
The memorial table tipped.
“MOVE!”
Wade lunged.
He caught my jacket and dragged me backward as the slab beneath the table collapsed.
Concrete crashed into darkness.
Photographs slid.
Candles disappeared.
Dust filled the room.
Nobody spoke until it settled.
I crawled toward the edge with my flashlight.
“Sadie,” Wade warned.
I aimed the beam down.
Steel.
Not pipe.
Not foundation reinforcement.
A roof.
A huge rectangular steel roof buried beneath the clubhouse.
And built into one side was a door.
A real one.
Industrial hinges.
Wheel lock.
Electrical actuator.
Wade knelt beside me.
“What the hell?”
A tiny green indicator beside the locking mechanism blinked once.
Then stayed on.
Wade whispered:
“It still has power.”
A dry metallic click came from below.
The door opened less than an inch.
Cold black air breathed through the gap.
Behind us, men began backing away.
I should have been looking at the door.
Instead, my flashlight caught the orange cable entering the actuator.
A strip of white electrical tape was wrapped around it.
Three letters had been written in black marker.
E.M.
I knew that handwriting.
I had seen it on lunch bags, birthday cards, fuse boxes, and the notes my father left on my windshield whenever he thought my tires looked low.
Eli Mercer had been dead eleven days.
May you like
The sixty men standing around me were there for his memorial.
And the newest wire in a structure buried since 1955 had been labeled by him.