Inside the wardrobe was a little girl, maybe three, curled on a folded blanket with a sippy cup and a tablet playing cartoons on low. She was not locked in. The door had no latch. She had climbed in herself, the way small children do, and had been crying because the tablet battery died and she could not work out how to fix it. Her name was Elena. She was my granddaughter, and I had never been told she existed.

That was the secret. Not abuse. Not a captive. A child. Marisol had given birth eighteen months into the marriage and they had kept her from me, deliberately, for reasons that took the rest of that terrible summer to understand. Marisol had a daughter from before, whom Desmond had adopted, and my son had convinced himself that I, the retired child welfare worker, would look at a blended family and a young stepmother and start asking questions, forming assessments, treating them like a case. So he simply erased me. The staged house. The vacation photos with no grandfather in them. Twenty months of maybe next month. All of it to keep me from a little girl he was afraid I would judge.

The babysitter had cancelled that morning. They had flown to Fiji anyway and left Elena with a neighbor’s teenage daughter who, it emerged, had gone downstairs to take a call and left her too long. That is the whole of the crime, and it is bad enough, and it is not what forty-one years of instinct had braced me for.