Faith Ferguson (Mimi Rose) is a relatively shy but intelligent teenager who is heartbroken when her mother informs her that she must spend Easter break at her Catholic girls' school as opposed to coming home.

Despite her initial misgivings, Faith finds herself bonding slightly with Jamie and the four other teen misfits that had to remain behind - Erica, Gina, Nicole, and Kelsey.

The group is soon intrigued when construction work on the school's church uncovers a Satanic temple containing the mummified remains of several schoolgirls believed to have gone missing almost a hundred years ago.

Because Faith has refused to help translate the rest of the book, Jamie decides to play a cruel trick on her by inviting Daniel to their room and making it appear as if he was trying to rape her.

The girls' young schoolteacher, Sister Sherilyn (Jennifer Rubin), provides Faith with some guidance and has her bring meals to Mother Clodah (Zelda Rubinstein), a strange nun bearing a distinctive birthmark on her face.