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The CEO's Biggest Mistake Novel Cover

The CEO's Biggest Mistake

Three years ago, Aria Sinclair vanished, carrying a secret Ethan Kane never discovered. Once his devoted assistant and lover, she returns not for reconciliation, but as a formidable power capable of rattling his empire. While Ethan seeks a second chance, Aria is fueled by a desire for retribution. As professional boundaries dissolve into late-night tension, a dark truth emerges. Loving him nearly broke her once; this time, it could ruin them both.
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Chapter 3

The files arrived at 4:47 PM.

I know because I was watching. Not obviously. Not desperately. I simply had my email open in one corner of my screen while I reviewed the brand positioning deck in the other, and when the notification came through I allowed myself one small, satisfied breath.

He sent them.

I had half expected him to make me wait. To drag it out for a day or two just to remind me who held the power in this building. That would have been the old Ethan. Petty in the way that only very powerful men can afford to be, using small delays and closed doors to remind you of your place.

But he had sent the files within the hour.

Interesting.

I opened the Q3 marketing folder and got to work.

Numbers have always made sense to me in a way that people sometimes don't. They don't lie. They don't say one thing and mean another. They don't stand in your office doorway with grey eyes and a jaw like carved stone and make your pulse do things it has no business doing.

Numbers are honest.

Which is exactly why what I found at 6:23 PM made me sit very still for a very long time.

I scrolled back through the data. Checked it again. Then opened the client portfolio files and cross referenced the figures against the Q3 revenue reports.

The numbers didn't match.

Not by a small margin. Not by the kind of gap that could be explained by rounding errors or currency conversion. I was looking at a $4.2 million discrepancy between what the marketing division had reportedly spent on the Harrington account and what had actually been invoiced to the client.

Four point two million dollars. Missing. Or rather, not missing. Redirected.

I followed the trail carefully, the way my mentor Sandra had taught me years ago. Numbers always leave footprints, Aria. You just have to know where to look. The money had moved through three internal accounts before landing in a discretionary fund labeled simply as "Executive Operational Reserve."

I had worked in enough corporations to know that "Executive Operational Reserve" was the kind of label that meant either something completely legitimate or something that would make headlines.

I leaned back in my chair and looked at the ceiling.

This was bigger than I expected. And I had expected quite a lot.

The question now was not what had happened to the money. I was fairly certain I could answer that with another few hours of digging. The question was who knew about it and how high up it went.

I thought about Ethan standing in my doorway this morning. The tightness in his jaw. The way he'd said you don't belong here like he was trying to convince himself as much as me.

Did he know?

Was this why he had been so desperate to get rid of me before I even sat down?

I pressed my fingers together and stared at the screen.

Three years ago I had lost everything because I trusted the wrong person at the wrong time. I had spent every day since building myself into someone who didn't make that mistake twice. I had come back to Kane Industries with a plan, a timeline, and a clear objective.

Finding a $4.2 million discrepancy on my first day was not part of that plan.

But I had learned long ago that the best opportunities were the ones you didn't see coming.

I saved copies of everything to my personal encrypted drive. Then I closed the files, shut my laptop, and sat in the quiet of my office while the city hummed forty floors below.

I needed more information before I moved. I needed to know who touched that account, who authorized the transfers, and whether the trail went up or sideways. I needed to be careful. Smart. Patient.

Patience had never come naturally to me. But betrayal had been an excellent teacher.

It was nearly eight o'clock when I finally packed up to leave.

The 40th floor was empty by then, the open office dark except for the ambient glow of the city through the windows. I liked it like this. The quiet. The feeling of a building stripped of its performance, just steel and glass and the hum of ventilation systems keeping everything breathing.

I was waiting for the elevator when I heard footsteps behind me.

I turned around.

Ethan was walking toward me from the direction of the stairwell, jacket off, tie loosened, sleeves rolled to the elbows. He looked less like a CEO and more like a man who had been working since dawn and refused to acknowledge it. There was a tiredness around his eyes that he was doing a poor job of hiding.

He stopped when he saw me. A flicker of something crossed his face. Gone before I could name it.

"Still here?" he said.

"I could say the same to you." I turned back to face the elevator doors.

He came to stand beside me. Not close. A professional distance. But in the silence of the empty floor, even a professional distance felt like something else.

"The files," he said after a moment. "Were they sufficient?"

"For now." I kept my voice neutral. "I'll have more requests next week."

"Of course you will."

There was no hostility in it this time. Just a kind of tired resignation that was somehow worse. I kept my eyes on the elevator display above the doors and said nothing.

The elevator arrived. We both stepped in.

The doors closed.

Fourteen floors to the lobby. I counted them in my head. It was something I did in uncomfortable situations. Numbers again. Reliable. Steady.

Ethan stood to my left, facing forward, his reflection ghosted in the polished metal doors. I looked at his reflection instead of him because it felt safer. Less real. The reflected version of him looked as tired as the real one, and something about that pulled at a thread inside me that I immediately tucked back in.

"You sent me coffee," he said.

"Colleagues look out for each other."

"You're not here to be my colleague, Aria."

I looked at his reflection. "Miss Sinclair."

His jaw tightened. "Miss Sinclair." He said it slowly, like the words had a taste he was still figuring out. "Why are you really here?"

The elevator reached the lobby. The doors opened.

I picked up my bag, stepped out, and paused just long enough to look back at him over my shoulder.

"Get some rest, Mr. Kane," I said. "You're going to need it."

I walked out into the Manhattan night without looking back.

But I felt his eyes on me all the way to the door.

And I did not let myself smile until I was outside.

Later, in my apartment, with a glass of water and the encrypted drive open on my personal laptop, I stared at those numbers again.

Four point two million dollars.

One day in, and I already had more than I came for.

I thought about Ethan's face in the elevator. The tiredness. The question he'd asked like it actually mattered to him.

Why are you really here?

I closed the laptop.

"Patience," I whispered to myself, in the dark, in the quiet.

The truth would come. It always did.

And when it did, nothing in Kane Industries would ever be the same.

END OF CHAPTER 3

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