Set several years after the events of The X Protocol, Terror of X continues the terrifying legacy of the mysterious X Protocol and the dark secrets hidden within an ordinary-looking school.What begins as a normal academic year quickly descends into chaos when students start experiencing disturbing events that cannot be explained by logic or science. Strange disappearances, unexplained sightings, mysterious messages, and terrifying visions spread fear throughout the campus. As rumors grow and panic begins to take hold, a group of students discovers evidence suggesting that the horrors of the past were never truly buried.