The note in my pocket felt like a live wire all the way to her mother’s house.

Part II: Seven Words
Dinner at her mother’s was normal enough to make me angry.
Sarah laughed in the right places. Passed food. Smiled at stories. Her mother talked too much. I answered when spoken to and kept my face still.
Once suspicion gets inside a marriage, everything changes shape.
Her laugh sounded placed.
Her warmth looked deliberate.
Not fake. Worse. Practiced.
That night, in the guest room with the floral curtains and the bad mattress, I waited until she was asleep.
Then I locked myself in the bathroom, sat on the edge of the tub, and unfolded the note under my phone light.
Seven words.
She isn’t who she says she is.
Under that, a phone number.
One word.
Detective.
I read it again. Then again.
No alternate meaning appeared.
I didn’t sleep.
I lay beside my wife and stared into the dark while memory started rearranging itself. Her job. Her travel. The vague explanations. The calls in other rooms. The office I had never seen. The coworkers I had never met. No holiday party. No names. No details. I had called it privacy.
In the dark, it started looking like structure.
The next morning, after Sarah left for what she called a client meeting, I called the number.
The man who answered said, “Detective Adam Reynolds.”
I gave him my name. Told him how I got the number. The line went quiet for one beat.
Then: “Are you alone?”