

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.
Acting
Thora Birch's unraveling is genuinely unhinged
Direction
Nick Hamm traps you in the hole with them
Writing
Timeline manipulation that actually rewards attention

Director
Nick Hamm
Trivia, insights & behind the scenes
Keira Knightley filmed this right before Bend It Like Beckham; her American accent here is... a choice she doesn't repeat.
The 2001 release positioned it alongside Ginger Snaps and The Faculty as part of a brief 'teens in genuine danger' wave before PG-13 horror took over.