Exorcist — [s1e1] The

Recently returned from a car accident that killed her friend; she is withdrawn and erratic.

Suspects a demonic presence in her home. [S1E1] The Exorcist

The story follows , a progressive but inexperienced priest in suburban Chicago who begins having vivid, terrifying dreams of an older priest, Father Marcus Keane , performing a brutal exorcism on a young boy in Mexico City. These dreams are later revealed to be real events that occurred 18 months prior, suggesting a supernatural connection between the two men. Simultaneously, the Rance family is falling apart: Recently returned from a car accident that killed

After Tomas decides he must help the Rances, he investigates a strange noise in their attic. He witnesses a rat being supernaturally killed and is briefly confronted by a possessed Casey , though she quickly reverts to a "normal" state when her mother arrives. These dreams are later revealed to be real

Suffering from early-onset dementia or cognitive impairment.

Following a moment of lucidity from Henry, Tomas finds Marcus at a church-run retreat for "broken" priests. Marcus, a veteran exorcist who has been cast out by the Vatican, warns Tomas that he is being manipulated by dark forces.