- 1 Season
The television series is about Father Jacob, a Catholic Priest who is involved in performing the exorcism of demons who have taken possession of people. Episode one of season one begins in Calcutta, when Sister Teresa is hospitalized for and unknown illness. A young priest, Vilmal is also hospitalized with the disease of leprosy and is kneeling before a picture of Sister Teresa, praying for the recovery of her when he suddenly collapses. The scene jumps ahead several years to where Father Jacob is at a meeting of Catholic priest who are discussing the possibility of Vilmal's recover from leprosy being a miracle. When Father Jacob is sent to work at a church in England, a young girl contacts him about the possibility that her father has been possessed by the devil and she wants him to perform an exorcism to rid her father of the demon. The problem for Father Jacob is that the young girl's father is an atheist and Father Jacob has to persuade the girl's father that she is in danger of being harmed by him if he does not consent to an exorcism. While Father Jacob is concentrating on talking the young girl's father into allowing an exorcism, Vilmal is trying to rid himself of the apparition that continues to appear to him and wants Vilmal to forsake his faith. Father Jacob has seen the apparition a few times and thought that it was human, however, when he realizes that the apparition is a demon, he learns that all the people he is close to will be harmed if he does not agree to forsake his faith for the demon. While Father Jacob is performing an exorcism for the young girl's father Vilmal is about to give into the demon because he has been told he cannot enter the priesthood. As a result of Father Jacob performing the exorcism, Vilmal loses his life and a Nun who is close to Father Jacob is in danger of being harmed by the demon.