It begins like any other day.

A familiar office. A routine commute. Conversations that blur into the background. Coffee breaks. Deadlines. Faces you’ve seen a hundred times before. Nothing feels unusual—until a handwritten note appears where it shouldn’t. Small enough to dismiss. Strange enough to remember.

At first, it’s easy to call it a prank. A coincidence. An overactive imagination. But as the notes continue to appear, each one revealing things no stranger should know, the ordinary begins to unravel. Familiar places no longer feel safe, everything becomes an object of question, imagination runs wild and patience is lost just like sanity. Sometimes, all you can do is suspect everything that once you held close.

Welcome to Post-It—a psychological thriller where suspense hides in the ordinary, every episode uncovers another fragment of a larger mystery, and the line between observer and participant slowly disappears. As the story unfolds, you’ll find yourself searching for clues, questioning every character, and wondering whether the greatest mystery isn’t who is watching…

…but who has been writing the story all along.