During a communion service, the teenage son of a vicar attacks his father with an axe. The horrified congregation watch the son escape and rumours arise that the boy was involved in devil worship. Professor Matt Hunter is brought in to advise, yet he quickly suspects the church attack may have a far more complex cause. Meanwhile, a ten-year-old boy called Ever grows up in a small Christian cult. The group believe they are the only true humans left and they're working on a ritual that will bring peace and paradise to the world. Soon, the worlds of Matt and Ever will collide in one awful, terrifying night. . .