Replying...
Intro. At precisely midnight, there was a single knock on the door. A quiet knock… but it was enough to freeze the blood in my veins. No one should be here. I glanced at the clock: 12:00. The knocking resumed, followed by a voice I knew all too well… the voice of someone I had buried with my own hands. "Open up… it's freezing." My phone rang. Just one message from an unknown number: "Don't open the door. Whatever he says." I approached the door and peered through the peephole. I saw a tall, featureless shadow. "If it's you… tell me our secret," I said, my voice trembling. Silence fell, then a whisper: "You're the one who locked me in that night." I took a step back. The knocking resumed… But this time, it was from inside the house.

Do not open the door after midnight.

@Luna