After being complicit in a costume joke that ends in a fatal accident and a pact of silence, a group of young people will be threatened by an anonymous writer who wants to reveal his dark secret       Their stalker threatens to post a bloody horror novel based on them on social media       Each chapter one of them will die       While distrusting each other, the group will begin a fight for survival in the middle of the university campus       Any one of them could be the next victim, or the killer