At midnight, seven-year-old Clara Whitfield woke her mother with six words.

“Mama, there’s a lady under the floor.”

Mary opened her eyes.

The bedroom was dark except for the orange glow of dying embers in the fireplace.

Clara stood beside the bed, barefoot, clutching her shawl.

“What did you say, sweetheart?”

“The lady. She was singing.”

Mary sat upright.

“Where?”

Clara pointed toward the hallway.

“Under the boards. She sang the same song Papa used to sing.”

A cold sensation moved down Mary’s spine.

Her late husband, Thomas Whitfield, had sung only one lullaby to Clara.

It was an unusual song about a silver star, a hidden river, and a little bird that never forgot its way home.

Mary had never heard anyone else sing it.

Not once.

“Clara, are you certain?”

The little girl nodded.

“Then she said my name.”

Mary reached for the lamp.

At that moment, three slow knocks sounded beneath the bedroom floor.

Mary froze.

Knock.

Knock.

Knock.

Then silence.

***

Ethan arrived carrying a lantern and a revolver.

He had been sleeping downstairs when Mary screamed his name.

After hearing Clara’s story, he examined the hallway boards.

Most were solid.

But one plank near the linen cupboard sounded hollow when he struck it with his boot.

He knelt.

Beneath a layer of dust, a tiny brass ring had been fitted into the wood.

Ethan stared at it.

“I’ve lived in this house twelve years,” he muttered. “I’ve never seen that.”

He pulled.

The plank lifted.

Underneath was a narrow wooden staircase descending into darkness.

Mary gripped Clara’s hand.

“Where does it lead?”

“I don’t know.”

Ethan raised his lantern.

“Stay behind me.”

They descended into a cramped passage smelling of damp earth and old timber.

At the bottom stood a small iron door.

It was unlocked.

Beyond it lay a hidden room.

And what Mary saw inside made her forget how to breathe.

A narrow bed.

A table.

An oil lamp.

Stacks of handwritten papers.

And dozens of children’s drawings pinned to the walls.

Every drawing showed the same little girl.

Golden hair.

Blue eyes.

A red shawl.

Clara.

Mary stepped closer.

“No,” she whispered.

One drawing showed Clara standing outside a church in Missouri.

Another depicted her sixth birthday.

A third showed Mary and Clara boarding the stagecoach that had brought them to Colorado.

Someone had been following them for years.

Ethan examined a ledger on the table.

Names.

Dates.

Land purchases.

Payments.

Beside several entries was the same symbol engraved on Mary’s necklace.

Two crossed branches beneath a silver star.

“This is Rebecca’s handwriting,” Ethan said.

Mary turned sharply.

“Your wife made these?”

“Some of them.”

He opened another book.

His expression hardened.

“These are property transfers. Ranches sold for almost nothing after their owners died or disappeared.”

Mary approached.

She recognized one name immediately.

THOMAS WHITFIELD.

Her husband’s name.

Beside it was a date.

Three months after his supposed death.

And beneath the date:

TRANSFER APPROVED — SILAS VALE.

Mary stared.

“Silas Vale?”

Ethan looked up.

“You know him?”

“He was the attorney who handled my husband’s estate.”

The room fell silent.

Mary remembered Silas Vale clearly.

A polished gentleman.

An expensive gray coat.

A silver watch chain.

A black walking cane.

The man who had watched Clara outside the general store.

Her knees nearly buckled.

“He told me Thomas had left nothing,” she whispered. “He said our home belonged to creditors.”

Ethan turned the ledger toward the light.

“According to this, Thomas owned nearly eight thousand acres.”

Mary shook her head.

“That can’t be true.”

“And those acres were transferred to a company controlled by Vale.”

Her stomach twisted.

“Why would Thomas hide land from me?”

Ethan didn’t answer.

Because another name had caught his attention.

REBECCA COLE.

Beside it was written:

WITNESS — PRESUMED DECEASED.

Below that:

CHILD — STATUS UNCONFIRMED.

Ethan slowly lowered the book.

“What child?”

Mary looked at him.

“What?”

“Rebecca was pregnant when she disappeared.”

His voice broke.

“I never told anyone. We had only just found out.”

Mary felt her chest tighten.

“Ethan…”

“She would have been seven this year.”

Neither spoke.

Then Clara reached toward the table.

“Look, Mama.”

There was a photograph lying beneath a stack of papers.

It showed Rebecca Cole standing beside a young man.

Mary recognized the man instantly.

Thomas Whitfield.

Her husband.

But the photograph had been taken before Mary had ever met him.

On the back, someone had written:

THEY MUST NEVER KNOW WHAT HAPPENED AT BLACKWATER CROSSING.

Ethan stared at the photograph.

Mary stared at Ethan.

And suddenly the hidden room seemed much smaller.

“Why was my husband with your wife?” Mary demanded.

Ethan shook his head.

“I don’t know.”

Before either could speak again, footsteps sounded above them.

Heavy footsteps.

More than one person.

Ethan extinguished the lantern.

Darkness swallowed the room.

Then a man’s voice echoed down the staircase.

“Search the house. The woman and the child are here.”

Mary recognized that voice.

Silas Vale.

Clara pressed against her.

Ethan drew his revolver.

A second voice spoke.

“What about Cole?”

Vale answered without hesitation.

“He’s expendable.”

Then came the sound of a rifle being loaded.

Ethan leaned close to Mary.

“There’s another passage behind the shelves. It leads toward the old well.”

“How do you know?”

“Rebecca once told me that if anything happened to her, I should look beneath the house.”

He swallowed.

“I thought she meant the cellar.”

Mary grabbed Clara’s hand.

They hurried toward the shelves.

But just as Ethan pushed aside a wooden panel, Clara stopped.

“Mama?”

“Not now, sweetheart.”

“The lady’s here.”

Mary turned.

At the far end of the hidden room stood a woman wearing a dark traveling cloak.

Her face was partially concealed.

Her hands trembled.

Ethan raised his gun.

“Who are you?”

The woman slowly lowered her hood.

Ethan’s revolver slipped from his fingers.

“Rebecca?”

The woman began crying.

“I’m sorry, Ethan.”

Mary stared at the woman who had supposedly been dead for four years.

Then Rebecca looked directly at Clara.

And whispered:

“Thank God. We found her before Silas did.”

But Ethan barely heard her.

He was staring at the woman he had mourned for four years.

His voice cracked.

“Rebecca… whose child were you trying to save?”

Rebecca opened her mouth.

Before she could answer, a gunshot shattered the iron lock behind them.

And Silas Vale shouted from the staircase:

“REBECCA! YOU’VE RUN OUT OF PLACES TO HIDE!”