As Tomas and Marcus continue to investigate the strange incidents at the foster home, the demon finally makes its presence known. The two priests must race against the clock to find evidence of possession before it is too late. Meanwhile, Andy and Rose take the children on an overnight camping trip, setting them on a collision course with the supernatural presence on the island. Back in Rome, Father Bennett's uneasy partnership with Mouse takes a turn as disturbing new information about the conspiracy comes to light.
Father Tomas Ortega is a compassionate, progressive face of the Catholic Church, whilst Father Marcus Brennan is a fierce Templar Knight raised by the Vatican to battle evil.
Both cross paths when one suburban family falls into the clutches of dark forces; college student Katherine who becomes increasingly reclusive. Her younger sister Casey, meanwhile, is convinced she can hear strange noises emanating from within the walls of their family home.
Their mother Angela believes the presence in their house is demonic, leading her to seek the help of the Catholic Church and leading to an epic face-off between the priests and an ancient evil.
The Exorcist - There but for the Grace of God, Go I Synopsis and Schedule