The group of young people, having made a pact of silence after being complicit in a costume joke that ended in a fatal accident, are now threatened by an anonymous writer who wants to reveal his dark secret. The stalker threatens to post a bloody horror novel based on them on social media, with each chapter featuring one of them as the victim.
As they begin to suspect each other and become distrustful of their own intentions, the group must fight for survival in the middle of the university campus. They realize that any one of them could be the next victim or the killer. With tensions running high, they must come together to find a way out of this deadly game.