As the doctor, Amy, explores the eerie school, she discovers that the building holds dark secrets and is haunted by the spirits of children who died under mysterious circumstances. She also encounters other lost souls who are trapped in the school, each with their own tragic stories.
Amy soon realizes that in order to find her son, she must confront her own traumatic past and face the guilt and grief that have been weighing her down. As she delves deeper into the school's history, she uncovers a sinister connection between the school's dark past and her own personal demons.
With the help of a fellow trapped soul, Amy uncovers a series of clues that lead her to a hidden passage within the school where she finally comes face to face with the terrifying truth about her missing son. In a final showdown with the malevolent force that has been haunting the school, Amy must find the strength to confront her own fears and make a sacrifice to save her son and escape the school's clutches once and for all.