The smell of bleach and damp cardboard always hits me the second I open the door to the linen closet, but today it was just the smell of cheap dish soap and wet wool coats hanging by the back entrance. Trudy had dropped her off at four in the afternoon with two plastic grocery sacks full of faded cotton shorts and one battered pair of pink sneakers with the soles coming loose at the toes. I was standing by the kitchen island holding a half-empty mug of instant coffee when the screen door slammed shut behind my daughter’s Buick.

Mabel didn’t look up from her sneakers. She just stood there on the braided rug by the sink like she was waiting for someone to point her toward a corner.

“She eats about as much as a sparrow,” Trudy had said through the open car window, her sunglasses pushed up into her hair while the engine ticked in the drive. “Just keep her off my data plan and make sure she brushes those teeth. I’ll be back Labor Day weekend.”

I had grumbled about the grocery bill before Trudy even put the car in reverse. Three hundred dollars a month extra for a kid who wasn’t even my blood. That was what went through my head while I watched my daughter back down the gravel drive with her radio turned up too loud. I told myself I was too old for this. I told myself my hips weren’t built for chasing after someone else’s mistake.

Mabel didn’t say a word for the first four days. She just sat on the bottom step of the back staircase with a blue plastic hairbrush, dragging the bristles through the same spot on her doll’s hair over and over until the plastic teeth started snapping off one by one.

The house felt too quiet with her in it. My husband Arthur had been gone three years, and I had gotten used to the silence of the place, the way the grandfather clock in the hall was the only thing that kept track of the hours. Mabel moved like a ghost through the downstairs rooms. She didn’t leave fingerprints on the glass doors. She didn’t drop her shoes in the middle of the kitchen floor the way my own kids used to do back when we still had a house full of noise and damp towels.

It was Wednesday night when the rain started coming down sideways off the flats, rattling the loose tin over the pantry vent.

I was cutting up beef for a stew at the laminate counter, the knife making a dull thud against the wood block, when I heard bare feet on the linoleum. Mabel stopped right at the edge of the kitchen rug. Her pajama pants were dragging on the floor, hem frayed from being too long.

“Do you have a rule about how long I’m allowed to stay?” she asked.

The knife slipped against the side of the bowl. My chest tightened up like someone had reached inside and pulled a drawstring too fast. I wiped my hands on my apron and turned around to look down at her small, pinched face. She had those dark circles under her eyes that you only see on kids who spend too much time staring at bedroom ceilings after dark.

“What do you mean, honey?” I asked. My voice sounded rougher than I meant it to.

Mabel wouldn’t look at my face. She kept staring at the hem of my apron where I had spilled a drop of gravy three days ago. “In the other house,” she said, her voice dropping down to almost nothing. “There was a rule about the hours.”

The floor seemed to drop three inches beneath my slippers. I crouched down on the braided rug, my knees clicking the way they always do when the weather turns wet. I told her this was her home as long as she wanted it to be, and that nobody was ever going to put a limit on her stay under my roof. The second the words left my mouth, her lower lip started to shake. She didn’t cry loud. She just made this little hitching sound in her throat, and then the tears started coming down her cheeks in thick, silent tracks.

“My other grandma had a timer,” Mabel whispered.

I reached out to touch her arm, but she flinched back half an inch before she let me pull her in against my shoulder. The wool of her sweater smelled like mothballs and old cedar.

“What kind of timer, Mabel?” I asked.

She buried her face right against my collarbone. “The little round one with the red plastic numbers on the front. She put it on the microwave every afternoon after lunch.”

“What did the timer mean?”

“When it beeped,” Mabel whispered, her fingers knotting into the fabric of my cardigan, “I went to the garage.”

The kitchen grew very quiet except for the rain hitting the kitchen windowpane. I didn’t say anything for a long time because my brain kind of stopped working for a second. I pictured that concrete floor out in the lean-to where Arthur used to keep his lawn mower and the cans of old paint that had frozen solid back in ninety-four. The garage didn’t have heat out there. It had a wooden latch on the outside that you could drop into a metal staple with one finger.

“How long were you out there, honey?” I asked, and I could hear the way my own voice was starting to thin out at the edges.

“Until the sun went down behind the oak tree,” she said. “Or until Uncle Gary came home to unlock the side door.”

I stood up so fast my knees popped. I didn’t care about the beef stew sitting half-cut on the board. I didn’t care about the three hundred dollars Trudy had tossed out the window like it was copper pennies. I walked over to the landline on the wall by the refrigerator, my hand shaking so hard I dropped the receiver against the side of the metal cabinet twice before I managed to wedge it against my ear.

“Who are you calling?” Mabel asked from the floor. She hadn’t moved an inch from the rug.

“I’m calling your mother,” I said.

The phone rang four times before Trudy picked up with that sharp, hurried snap in her throat. “Mom, I told you I’m in the middle of inventory at the store. What is it now?”

“Get in your car,” I told her. I didn’t use my nice voice. I didn’t use the voice I used when she was twelve and crying over a boy or twenty-two and moving out with her first boyfriend. “Get in your car right now and drive down here.”

“Mom, are you serious? I told you I can’t leave until, “

“I said get in the car, Trudy,” I told her, and the tone of it must have finally cut through whatever she was doing because the background noise in her store just stopped dead. “If you aren’t in this driveway inside of forty minutes, I’m calling the county sheriff myself and telling him what’s sitting out in Gary’s garage.”

The line went dead with a high-pitched hiss. I turned around and looked down at Mabel sitting on the floor with her knees pulled up to her chest, her small fingers still clutching that broken plastic hairbrush. I walked over, sat right down on the dirty linoleum beside her, and pulled her small, cold hand into mine.

“You’re not going back there,” I told her. “Not for five minutes. Not for one second.”

Mabel looked up at me with those wide, dark eyes that looked entirely too old for an eight-year-old kid. “Does the timer stay here?”

“There isn’t a timer in this house,” I said, and my voice cracked right down the middle. “We threw the timers out twenty years ago.”

We sat there on the floor together while the rain beat against the side of the house and the old clock in the hall ticked off the minutes until headlights swung across the front window. Trudy didn’t knock when she got out of the Buick; she just shoved the screen door open with her shoulder, her face gone as gray as river silt under the porch light. She took one look at Mabel sitting on my kitchen floor, and then she looked at me, and neither of us said a word because we both knew the three hundred dollars for groceries wasn’t going to cover what came next.