Robert Anderson (David Schofield) is a burned-out, alcoholic, world-weary English teacher who works in a huge sprawling Comprehensive school.
After lessons have finished for the day, this place of learning becomes a vast, deserted labyrinth of corridors and empty rooms, gyms, studios and halls.
But all is not right with the school tonight - there are strange shadows and noises, signs of unusual and ominous activity. And then the school falls under relentless attack from a gang of mysterious and bloodthirsty hoodies, intent on only one thing - to spread terror!
Unsuspecting victims are picked off one by one, and Anderson must now battle against these brutal killers - and his deepest fears.
What follows is a desperate fight for the survival of his pupils, fellow teachers and those Anderson holds most dear, culminating in a final terrible choice...
Starring: David Schofield, Eliza Bennett, Ruth Gemmell, Juliet Aubrey
F is released 17th September.