I made my decision, and it was not to argue with David one second longer.
I stepped back from that door, took out my phone, and called the police in front of him, telling them plain that there was a child hidden in a locked room in this house and I needed them right away. David lunged to take the phone and I turned my shoulder to him and finished the address.
Then I put my hand flat on the door and I talked to Lily through it. I told her Grandma was here, that I heard her, that she was not to be scared for one more minute, that people were coming who would open every locked door in this house.
David begged and threatened and swore it was only storage, but a man does not sweat and shake over a storage room, and when the officers arrived and made him produce the key, the last of his lies fell away, because there is no explaining a coughing, whispering little girl behind a door you swore was full of boxes.
They opened it, and there was Lily, weak and pale on a cot in that shut room, but breathing, but living, but reaching for me with both thin arms.
I held her, and I felt the hem of the little nightgown she wore, and my hands were shaking too hard to check for a blue thread, and it did not matter, because I knew my granddaughter, and she knew me.
The paramedics took gentle care of her. She is going to be alright, given time and quiet and the kind of love that does not come with a locked door.
David and his wife were arrested. Everything, the story of the sudden complications, the hidden child, the little one they had used to fill a casket, is with the courts now, and it is a grief I will carry the rest of my days, that my own son could do this. I do not understand it. I have made my peace with not understanding it.
Lily I understand. The court placed her with me, and she has a room now with a door she can open from the inside, and a little sewing basket of her own, because she wants to learn.
I am teaching her. We make small things together, and I show her how I hide a blue thread in the hem of every one, our secret, our mark. She is getting stronger. She sleeps through the night more often than not now.
They tried to bury my granddaughter while her heart still beat. It took an old seamstress who knew her own stitching, and a locked door, and one call for help, to bring her home. She is home. She is sewing blue threads into hems beside me. And no one will ever shut her away again.