I installed the nursery camera because I thought I was being practical.

That is the sentence I kept repeating to myself afterward, as if the motive mattered.

As if the reason I put a small white monitor on the bookshelf across from my son’s crib could somehow soften what it showed me.

Our son Noah was three months old.

My wife Lily was running on almost no sleep.

I was working long days in software sales, trying to keep numbers up, trying to be grateful that we had a healthy baby, trying to ignore the uneasy feeling that had settled into our house and seemed to thicken with every passing week.

I told myself the camera would help.

That was the kind version of the story.

The more honest version was that I knew something was wrong, but I had chosen the kind of wrong I could live with.

Noah had started waking from naps in a panic, crying with such sudden force that it sounded less like a baby fussing and more like someone dropping him out of a dream.

Lily looked more worn down every day, not only tired but hollowed out, like she was carrying something she had no room to say aloud.

My mother, Denise, had an explanation for all of it.

The baby was fussy because Lily held him too much.

Lily was emotional because new mothers were dramatic now.

The tension in the house was because everyone was exhausted.

It would pass.

That was my mother’s favorite phrase.

It would pass.

She had moved in after Lily’s emergency C-section.

Temporarily, she said.

She had said it with her hand on my arm and that no-nonsense confidence that had ruled my entire childhood.

She was here to help.

She knew babies.

She had raised me alone after my father left.

She knew what families needed in hard seasons.

I believed her because I had spent most of my life believing her.

When Lily first told me, very gently, that my mother could be harsh, I defended Denise without even meaning to.

I said she was intense, not cruel.

Blunt, not malicious.

I said my mother had strong opinions and sometimes older generations did not know how they sounded.

Lily would nod and say she understood.

Now I know she nodded because she was learning how alone she was.

The camera feed opened on my phone at 1:42 p.m.

on a Wednesday.

I was at my desk, half listening to a sales call, half checking the app because I wanted to see whether Noah had finally gone down.

The nursery appeared on my screen in washed-out daylight.

The pale green walls.

The rocking chair in the corner.

The bottle warmer on the dresser.

The mobile turning slowly above the crib.

Lily stood by the crib with one hand resting on the rail.

My mother was behind her.

I heard Denise before I understood what I was seeing.

“You live off my son and you still dare to say you’re tired?”

The words came out low and vicious, sharpened by contempt so naked that for a second my brain rejected the scene.

Then my mother reached forward, grabbed a fistful of Lily’s hair near the back of her head, and jerked it hard.

Lily gasped.

Not screamed.