There's something wrong in HMP Endgate.
The arrival of a malevolent force, far exceeding the evils Tom Jones and his fellow prison officers face daily, renders everyone inside trapped and cut off from the outside world. Unsure of what to DO or who to trust, staff and prisoners alike find themselves in a fight for survival.

There is an urban legend in Wrexham which tells of something not quite human. Forever on the peripheries of society, he stalks the night, living amongst the shadows and feeding on the scraps. His sallow complexion and reddened grin led to the sinister moniker Colours the Clown. Stories forged around the campfires and graveyards of this vicious bogeyman and, gradually, his savage notoriety bloomed.

Deep within the darkest recesses of an old Slavic forest, a band of German deserters are on the run. Disillusioned and scared witless, they have fled the Eastern Front, their goal to return to their families and start anew.

Ali Hussain, a student in Aberystwyth with an unusual past, suffers from migraines and sleep paralysis. Bit by bit, they're taking over his life, chipping away at his sanity until something emerges from the darkness, something malevolent.

Deep in the woods, a door has been opened.
Hayley and Clara, two young friends, inseparable since nursery, dream of playing with their favourite Disney ice queen. A childish desire that will set in motion a series of events that will prove that things beyond our world are best left well alone, all while pushing the limits of what a parent would actually do to see their child again.

Taken from notes left at the scene, something... some creatures have attacked the hunting lodge. They're ravenous, slaughtering anyone and everyone in their path. Seeking shelter, two survivors manage to lock themselves away and, faced with the grim prospect of nowhere to go, must work out how to survive, all while the music of the damned calls them on.