Doctors gave my six-year-old twins ten days to live, and for the first time, every dollar, weapon, and ounce of power attached to my name meant absolutely nothing.

Then a penniless woman appeared outside my Chicago estate and refused to leave, and when she told my security chief she knew my children were dying, I discovered she was carrying something that had belonged to my dead wife.

My name is Lawson Mercer.

Dr. Franklin Yates stood beside me while Jonah and Blythe slept behind glass in the private ICU wing I’d built on the third floor of my estate. Their bodies looked impossibly small beneath the sterile blankets.

"We've exhausted what they can tolerate, Lawson," Dr. Yates said softly, avoiding my eyes.

"How long?"

"Maybe ten days. Probably less."

Leukemia had already taken their hair. Their appetites. Their laughter. Now it wanted everything.

Later that morning, Jonah opened his eyes. "Dad?"

"I'm right here, buddy." I stroked his forehead, feeling the burning heat radiating from his pale skin.

Blythe reached for my hand, her voice barely a whisper. "Daddy, if I go first... can Jonah come with me?"

I've heard dangerous men beg for their lives. Nothing in my forty years on earth had ever frightened me like that sentence.

"Nobody's going anywhere," I said, forcing my voice to stay steady while my chest crushed inward.

She looked toward the empty chair beside her bed. "Mommy went."

Genevieve. Their mother. My wife. Dead for two years.

I had built an empire capable of surviving almost anything. Twelve-foot stone walls. Armed security patrols. Bulletproof glass. An underground armory that could supply a small private military. None of it could protect my children from their own blood.

At three that afternoon, my security chief, Prescott Hale, entered my study.

"She's still outside the gate, sir," Prescott said.

"Who?"

"The woman asking about the evening caregiver position. She’s been standing in the rain for two hours."

"We aren't hiring," I snapped, staring at the useless medical charts on my desk.

"I told her. She refused to leave."

"Then remove her from the property."

Prescott didn't move. That got my attention immediately. Prescott had been my right hand for twelve years; he didn't hesitate unless the world was shifting under his feet.

"What's wrong, Prescott?"

"She says she knows Jonah and Blythe are dying," he said quietly.

I stood up instantly, my chair scraping violently against the hardwood. Nobody outside my inner circle knew. The media believed my children were attending a private school in Vermont.

"Bring her in."

Minutes later, two armed guards escorted a thin woman into my study. Her coat was worn through at the elbows. Her shoes were soaked with cold rainwater. She couldn't have been older than thirty.

"Name?" I demanded, leaning against my desk.

"Elena Ward."

"How do you know about my children?"

She swallowed hard, her shivering hands clenching into fists. "I can't explain until I see them."

"You'll explain now, or Prescott will throw you into the lake."

Instead of answering, Elena reached beneath her sweater. Prescott and the guard moved instantly, unholstering their sidearms.

"Stop," I ordered.

She slowly pulled a silver necklace from beneath her collar.

My breath disappeared.

A tiny, raw blue stone hung from the tarnished chain. I had given that custom necklace to Genevieve on our first wedding anniversary.

She had been buried wearing it.

"Where did you get that?" I whispered, stepping across the room until I was inches from her.

Elena's eyes filled with tears. "Your wife gave it to me."

"Impossible. She was buried in the family crypt two years ago."

"Three weeks before she died, she gave it to me for safekeeping," Elena insisted.

I stared at her, my mind racing. Genevieve had died instantly in a high-speed highway collision—a tragic hit-and-run, according to the police report.

Then Elena pulled a folded, yellowed medical report from her inner jacket pocket.

"I didn't come because I need a job, Mr. Mercer," she said, placing the document on my desk. "I came because Genevieve made me promise that if anything ever happened to her, I'd find your children."

My eyes dropped to the paper. Across the top were my twins' names: Jonah Mercer and Blythe Mercer.

The date stamped beside the hospital seal was seven years old—a full year before my children were born.

I looked up slowly, cold air filling my lungs. "What is this?"

Elena's voice trembled. "The reason your children's treatment isn't working. It isn't standard leukemia, Mr. Mercer. They aren't sick by accident."