 A Catholic Priest by the name of Merrin, who once lived in Holland in Europe, witnesses evil at the hands of humans during the world wars, which he would really like to forget and replace these memories by others. He decides to travel to Cairo, which is a big city in Egypt. Sometime after his arrival in Cairo, he is asked to travel to Kenya, a country which is in Africa. When he travels to Kenya, he finds that an excavation team has unearthed an ancient church which is several centuries old. The condition of this church is very good, despite of it s age. Merrin goes underground to view this church and is fascinated by it. Then a series of deaths amidst reports of workers going insane surface. Merrin will now find out that this excavation houses an ancient evil - so ancient that it was built even before people starting worshiping Jesus in Africa. This is the prequel to the legendary movie Exorcist, evil originates from here, which gives birth to a horror that will follow Merrin for many years to come.