Four teenagers at a British private school secretly uncover and explore the depths of a sealed underground hole created decades ago as a possible bomb shelter.
- Genre: Crime, Drama, Horror, Thriller
- Studio: Canal+, Cowboy Films, Film Council, Granada Productions, Impact Pictures, Pathé Pictures International, Dimension Films
- Keyword: falsely accused, jealousy, obsession, claustrophobia, bunker, thirst, group dynamics, bulimia, alibi, supernatural, murder, psychologist, celebration
- Cast: Thora Birch, Desmond Harrington, Keira Knightley, Laurence Fox, Embeth Davidtz, Steven Waddington