Movie Story : Late for class on an otherwise ordinary school day, a student named Lucy rushes in and then vanishes within moments, leaving her classmates stunned. Worried, the teacher sends another student, Alba, to look for her, and that search sets off a chain of eerie supernatural occurrences. As the lights flicker and events grow stranger, the school becomes a disorienting maze hiding a dark secret. Alba must uncover what really happened to Lucy before the mystery consumes her.