The fourth chilling tale from Furnace – a terrifying underground prison. Action-packed, gritty & gruesome stuff for thrill-hungry teens. “ We escaped Furnace, but the nightmare followed us. We broke out but we’re still not free. The city is in lockdown – roads sealed, police everywhere. & there are worse things here: creatures of death sent to bring the world to its knees. I’m turning into one of them; into a monster. To put an end to this blood-crazed madness I must travel into the heart of darkness. I must find Alfred Furnace before he finds me. Soon the whole world will be a prison.”