It always begins the same way.
A knock.
Three times. Slow. Deliberate.
Then the door appears.
Not where it should be. Not where it belongs.
A deep, unnatural red-like it's been painted with something that hasn't quite dried.
At first, it feels like a dream. A trick of the mind. Easy to ignore.
Until it starts to move closer.
Until it starts to speak.
Until it calls your name in a voice you trust.
Across these stories, strangers from different lives-and different times-encounter the same impossible thing. A door that shouldn't exist. A hallway that shouldn't be real. And a choice that never truly feels like one.
Open it... or don't.
It won't matter.
Because the door doesn't need permission.
It doesn't need reason.
And it never forgets.
Once you see it-
You're already part of it.