College students Raz, Charlie and Jess are about to start work on their end of year Media Studies project... unaware of a malevolent force lurking deep below their sleepy town. What they find there is a terrifying labyrinth of tunnels from which there seems no escape... and a dark figure hell bent on tormenting them. Hunted, frightened and lost, Raz, Charlie and Jess must now escape the barracks or suffer the unspeakable fate that awaits them.