Chapter 1
The first time Mara heard the three knocks, she thought it was the wind.
It was almost midnight.
Rain tapped softly against the windows of the old house, and the trees outside scraped their branches against the roof. Everything sounded louder at night. Every creak of the floorboards. Every groan of the pipes. Every little movement the house made as it settled into the darkness.
Mara pulled the blanket higher around her shoulders.
She was twelve years old, and she had always hated thunderstorms.
Not because she was afraid of lightning.
She was afraid of what lightning sometimes revealed.
Her bedroom window faced the woods behind their house. During the day, they were nothing special—just tall pine trees, thick bushes, and an old dirt road that disappeared into the forest.
But at night, the woods seemed different.
Too dark.
Too quiet.
And sometimes Mara swore she could see something standing between the trees.
Her mother always told her it was her imagination.
Tonight, Mara was trying very hard to believe her.
She turned onto her side and closed her eyes.
Knock.
Her eyes opened.
She held her breath.
The sound had come from downstairs.
Probably a branch.
She waited.
Nothing.
Mara slowly relaxed.
Then—
Knock.
She sat upright.
That wasn't a branch.
It had sounded like someone knocking on the front door.
Mara stared at her bedroom door.
Her parents were downstairs.
She could hear the television playing faintly through the floor.
Maybe Dad had gone to check the door.
She waited for the sound of footsteps.
None came.
Then the third knock sounded.
Knock.
Mara's stomach tightened.
Three knocks.
Exactly three.
She climbed out of bed.
Her feet touched the cold wooden floor.
"Mom?" she called softly.
No answer.
Mara stepped toward her bedroom door.
Before she could open it, her mother's voice suddenly came from downstairs.
"Mara?"
Mara froze.
"Yeah?"
"Stay in your room."
Something about her mother's voice made Mara's skin prickle.
She sounded scared.
Mara moved closer to the door.
"Why?"
There was a long silence.
Then her mother whispered something.
Mara couldn't understand it.
"What?"
Her mother spoke again.
This time, louder.
"Don't open the door."
Mara stared at the doorknob.
"Why?"
Her father shouted from downstairs.
"Don't look outside!"
Mara's heart began pounding.
She had never heard her father sound like that before.
She slowly backed away from the door.
Then the lights went out.
The entire house fell into darkness.
Mara gasped.
Outside, thunder rolled across the sky.
A flash of lightning illuminated her bedroom.
For one brief second, the window became a mirror.
And Mara saw herself standing in front of it.
But there was something behind her.
She spun around.
Nothing.
Her breathing became shallow.
Another flash of lightning.
Nothing.
She slowly turned back toward the window.
That was when she noticed the shape.
Someone was standing at the edge of the woods.
Mara stopped breathing.
It was too far away to see clearly.
A person.
Or something shaped like one.
It was incredibly tall.
Too tall.
Its arms hung almost to its knees.
Its body looked unnaturally thin.
But the strangest thing was its head.
There was no face.
No eyes.
No nose.
No mouth.
Just a smooth, dark shape.
And above its shoulders was something that looked almost like—
A triangle.
Mara stumbled backward.
The figure didn't move.
She blinked.
It was still there.
Lightning flashed again.
Closer.
Mara's heart slammed against her ribs.
The figure was no longer at the edge of the woods.
It was standing beside the old dirt road.
She hadn't seen it move.
She couldn't understand how it had gotten there.
Another flash.
Closer.
Now it stood halfway between the woods and the house.
Mara backed toward her bed.
"No..."
The figure tilted its head.
Mara felt tears forming in her eyes.
Then she heard something.
A voice.
Not outside.
Inside her bedroom.
"Mara."
She screamed.
Her bedroom door suddenly rattled.
"Mara!"
It was her mother.
"Open the door!"
Mara rushed toward it.
She grabbed the knob.
Then stopped.
Her mother's voice sounded wrong.
Too deep.
Too slow.
"Mara," it whispered.
"Open the door."
Mara's hand trembled.
Then she remembered what her father had shouted.
Don't look outside.
Her mother had said—
Don't open the door.
Mara stepped away.
The voice on the other side became silent.
For several seconds, there was nothing.
Then—
Knock.
Mara stared at the door.
Knock.
Her eyes widened.
Knock.
Three knocks.
Again.
Something scratched slowly down the other side of the door.
Mara covered her mouth to keep from screaming.
Then a voice whispered through the wood.
Not her mother's.
Not her father's.
Something else.
"Three knocks..."
Mara squeezed her eyes shut.
"...means he's here."
The scratching stopped.
Mara opened her eyes.
The bedroom door slowly began to open.
An inch.
Then two.
Darkness filled the gap.
Mara couldn't move.
A long, thin hand appeared around the edge of the door.
The fingers were impossibly long.
They curled around the wood.
Mara backed away.
The door opened wider.
And then she saw it.
The Triangle Man.
He stood in the hallway, impossibly tall, his head nearly touching the ceiling.
His body was covered in darkness.
No clothing.
No skin.
Just a shape that looked like a person who had been stretched into something that was never meant to exist.
And where his face should have been was a black triangle.
Mara stared at it.
The Triangle Man tilted his head.
Then, very slowly, he raised one finger to where his mouth should have been.
As if telling her to be quiet.
Mara couldn't breathe.
Behind him, at the bottom of the stairs, her parents stood perfectly still.
Their faces were pale.
Her mother was crying.
Her father shook his head.
Don't.
Mara understood.
Whatever happened next—
She could not scream.
The Triangle Man took one step into her room.
Then another.
He stopped directly in front of her.
For several seconds, nothing happened.
Then the black triangle on his face changed.
Two small white points appeared inside it.
Eyes.
Mara felt something cold touch her forehead.
And a voice whispered directly into her mind.
"You finally saw me."
The lights suddenly came back on.
Mara screamed.
Her parents burst into the room.
But the Triangle Man was gone.
The window was still locked.
The bedroom door was still open.
There was no one in the hallway.
No footprints.
No broken glass.
Nothing.
Her father grabbed her shoulders.
"Did you look at him?"
Mara couldn't speak.
Her mother rushed over and pulled her into her arms.
"Mara..."
Mara finally found her voice.
"Who was that?"
Her parents looked at each other.
Neither answered.
Then her father slowly looked toward the bedroom window.
His face changed.
Mara followed his gaze.
There, on the glass, was a symbol.
A perfect black triangle.
And beneath it were three small fingerprints.
Her father whispered:
"Oh God."
Mara looked at him.
"What?"
He swallowed.
"We have to leave."
"Why?"
Her father didn't answer.
Instead, he grabbed a flashlight from the dresser.
Her mother took Mara's hand.
And as they hurried down the stairs, Mara noticed something written on the wall beside the front door.
Three words.
Words that hadn't been there earlier.
HE KNOWS YOUR NAME.








