Every Night, My Mother-in-Law Knocked on Our Bedroom Door at 3 A.M. — So I Set Up a Hidden Camera. What We Saw Changed Everything.

Liam and I had been married just over a year. Our life together in our quiet Boston home was mostly peaceful — except for one oddity: his mother, Margaret.

Every single night, precisely at 3 a.m., she would knock on our bedroom door.
Not forcefully — just three slow, deliberate taps. Knock. Knock. Knock.
Enough to wake me every time.

At first, I thought maybe she needed help or got confused in the dark. But whenever I opened the door, the hallway was empty — dimly lit, completely still.

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