Angela Rance suspects a demonic presence has entered her home, and enlists the help of Father Tomas Ortega, who calls on experienced exorcist Father Marcus Keane.

Father Marcus joins forces with Father Tomas, the Rances' relationship with the demon deepens, while a series of bizarre ritual killings begins.

Tomas and Marcus seek permission from papal emissaries to conduct an exorcism, only to be met with shocking news, while Casey exhibits odd behavior.

Casey's condition continues to deteriorate; Father Tomas is paid a visit by a familiar face from his past; Father Marcus journeys to an unexpected destination and receives guidance from a most unlikely source. Written by linady52

As the exorcism begins, Tomas and Marcus engage the demon in spiritual warfare, with the pressure of the process driving a wedge between the Rance family.

The Rance family is engulfed in a storm of publicity, while Marcus' search for Casey leads him into the terrifying underbelly of the city.

Marcus asks for assistance from Mother Bernadette, while Tomas has a crisis of conscience, and Father Bennett's investigations lead him into danger.

As Marcus, Tomas and Mother Bernadette race against time to defeat the demon, the Rance family finds itself drawn into the conflict. With the Pope's visit only days away, the church's enemies take aggressive new moves. Angela confronts a familiar face from her past, and Kat considers a new future in the all-new Chapter Eight: The Griefbearers

On the eve of Pope Sebastian's visit to Chicago, Marcus and his companions race to avert a potential tragedy. Tomas is offered a life-changing opportunity, but will the sins of the past endanger his future within the church -- Meanwhile, as the Rance family attempts to recover from their most recent ordeal, a new problem threatens to tear them apart.

The demon is determined to destroy the Rance family, while the enemies of the church mobilize against Pope Sebastian.