Special Agent Emanuel Ritter leads a police investigation into a series of shocking deaths. But after a priest from the Vatican finds a link between the murders and an ancient demon, a descent into horror ensues.
When a frightening wave of violence sweeps through New York City, troubled cop Sarchie fails to find a rational explanation for the bizarre crimes. However, his eyes are opened to a frightening alternate reality when renegade Jesuit priest Mendoza convinces him that demonic possession may be to blame for the gruesome murders. Together, they wage a valiant supernatural struggle to rid the city of an otherworldly evil.
In response to a global rise in demonic possessions, the Catholic Church reopens exorcism schools to train priests in the Rite of Exorcism. On this spiritual battlefield, an unlikely warrior rises: a young nun, Sister Ann. Thrust onto the spiritual frontline with fellow student Father Dante, Sister Ann finds herself in a battle for the soul of a young girl and soon realizes the Devil has her right where he wants her.
Cristina, a journalist of Mexican origin, travels to her ancestral home in Veracruz to investigate a story of sorcery and healing. There, she is kidnapped by a group of locals who claim she's the devil incarnated.
A priest with a dark past and a novice nearing her final vows are sent by the Vatican to Romania to investigate a nun's death and face a demonic force.