Chapter 1 - THE THING UNDER THE BACK SEAT

“Got a terrible migraine,” Mark muttered. “Canceled everything.”
He walked past me without kissing me.
That was the first strange thing.
The second was his car.
Mark treated that Mercedes like a museum exhibit. He had it detailed twice a month and complained if I left a coffee cup in the holder.
Yet when I went outside twenty minutes later to retrieve the reading glasses I had left in the passenger door, the back seat looked disturbed.
One floor mat was crooked.
A button lay near the center console.
Then I saw something black beneath the driver-side rear seat.
I reached down.
Lace.
Women’s underwear.
Not mine.
For almost twenty-eight years, I believed there would be screaming if I ever discovered Mark cheating.
A broken glass.
A confrontation.
Maybe tears.
Instead, I sat in the back seat holding another woman’s underwear and felt almost nothing.
Then I noticed a tiny embroidered letter on the waistband.
B.
Brenda.
His secretary of nine years.
I knew her husband.
Andrew Keller had attended our company Christmas parties.
Quiet man.
Accountant.
Always polite.
At the previous Christmas dinner, Andrew had brought Brenda her forgotten coat while Mark watched them from across the ballroom.
I remembered that look now.
Not jealousy.
Possession.
I took one photograph of where I had found the underwear.
Then another showing the entire back seat.
Then I put it into a clean envelope.
I did not confront Mark.
I did not ask whether the letter B stood for Brenda.
I called a same-day courier.
Andrew’s office address was public.
Inside the package I placed the underwear and one handwritten sentence.
You deserve to know.
Nothing else.
At 4:37 that afternoon, the courier confirmed delivery.
At 5:12, Mark came downstairs wearing clean clothes.
His migraine had apparently disappeared.
“Feel better?” I asked.
“Much.”
He opened the refrigerator.
“Want to order Italian?”
“Sure.”
He smiled.
Normal.
So normal that for one insane second I wondered whether I had misunderstood everything.
Then his phone vibrated.
Mark glanced at the screen.
The color left his face.
He turned it facedown.
“Work?”
“Yes.”
I smiled.
“Problem?”
“Nothing I can’t handle.”
That sentence became important later.
Because Mark had spent years believing everything could be handled—
as long as I never knew what he was handling.
---
At 8:16 p.m., my phone received a message from a number I didn’t recognize.
This is Andrew Keller.
Then:
Was it found in Mark’s car?
I replied:
Yes. Rear floor. Today.
Three dots appeared.
Disappeared.
Returned.
Finally:
How long have you suspected them?
I stared at the question.
Three days. Maybe less.
His answer came almost immediately.
I’ve suspected something for two years.
My hand went cold.
Before I could respond, another message appeared.
Do not confront him yet. I found something worse.
Then nothing.
I called.
No answer.
At 10:03 p.m., Brenda left our company group chat.
At 10:21, Mark told me he needed to drive to the office because “an investor had a crisis.”
He left.
I watched his taillights disappear.
Then I locked the door.
At 1:48 in the morning, my phone rang.
It wasn’t Andrew.
It was a hospital.
Andrew Keller had suffered a cardiac episode at home.
He was stable.
Before being taken into treatment, he had specifically asked that I be contacted.
That was why, hours later, I was standing in a hospital corridor—
and Brenda was screaming:
May you like
“What are you doing here?”
---