F

“Welcome to the school of hard knocks”

After hours, a school empties out, and the corridors fill with a gang of hooded youths who cannot be named or reasoned with. Robert Anderson (David Schofield) and his colleagues find the building under siege by kids who mean to kill them. Johannes Roberts keeps the night tight and cramped, and Robert and his daughter Kate (Eliza Bennett) must trust each other to get through it.