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.

Cast:Thora Birch, Desmond Harrington, Keira Knightley, Laurence Fox, Embeth Davidtz, Steven Waddington,

Genre:Crime, Drama, Horror, Thriller,

country:France, United Kingdom,

Production:Pathé, UK Film Council, StudioCanal, Cowboy Films, Granada Productions, Impact Pictures,