Lankester Merrin is a archaeologist by profession but an ordained Roman Catholic priest who has lost his faith and abandoned his vocation. He is haunted by what he was forced to do in his native Holland during World War II. The church he's excavated in Northern Kenyan dates to the Byzantine period but this puts its construction hundreds of years before Christianity was introduced to the area. the church was buried to the rooftop in sand and as its structure is exposed, a madness slowly descends...