Father Jacob is approached by a young girl who believes her father is possessed by the devil. Jacob is forced to take extraordinary steps to ensure her safety by staging a dramatic exorcism despite the misgivings of his church colleagues.

With Vimal dead Jacob realises that all his friends are in danger. He is forced to meet Vimal’s murderer on his terms in order to exorcise him which results in his own faith coming under threat.

Despite pressure from the Catholic Church to stop performing exorcisms Jacob visits a prisoner who displays signs of possession. This is no ordinary case however as Jacob discovers his subject may be possessed by a saint.

Jacob is called to an abortion clinic where he discovers a pregnant woman who is possessed by unborn demons.

A sinister apparition of the Virgin Mary begins haunting a Muslim family who seem to have a connection to Michael. Jacob realises he will lose Michael's soul forever unless he can convince the family that the apparition is a fake.

Weakened by his crisis of faith and with Michael back on the loose, Jacob realises he needs to be exorcised himself. But with Bukovak blocking all normal channels, Jacob is forced to get Vincenzo out of retirement.