When a defendant claims to have committed crimes under the influence of demonic possession, the psychologist Dr. Kristen Boucharda is hired by an official working for the Catholic Church to determine the validity of his claims.
An unexplained revival of a seemingly dead girl sends David's team into a tailspin as they try to determine if there is a logical explanation or if she was revived by divine intervention.
Kristen faces off against Leland Townsend to protect a young boy's life from being destroyed. David's induced visions point to an area of convergence in NY. The team's latest case has a tragic end.
The team tries to help a troubled young boy who takes a shine to David. Kristen's children are haunted by a new game that their grandmother gets them.
Science and religion clash as Kristen tries to argue for the medical treatment of a woman scheduled for an exorcism.
Kristen desperately tries to end her mother's relationship with Townsend. David's faith is tested when a woman claiming to be a prophet makes predictions that spells disaster for everyone.
An investigation launched by the Vatican into the events surrounding Grace reveals a horrifying conclusion that hits too close to home for David.
David and Kristen try to discern the meaning of the mark that the former's father is using, leading to the discovery of shocking family history.
David has to deal with crippling self-doubt when Caroline Hopkins takes him to court, leaving him to question his abilities as Kristen goes on the offense to defend him.
Townsend uses Sheryl to fulfill his nefarious plans against Kristen. An addictive new song turns out to have a disturbing underlying message spelling disaster for anyone under 16.
In the wake of the attack on David, Kristen tries to locate his attacker. David receives a warning from Grace as he fights the presence of Death.
A cry for help lands David in far more trouble than he expected. Kristen faces off against Townsend as the latter plans to make his final move.
When a case involving a pregnant woman leads the team to a fertility clinic that has a connection to many of their previous cases, a vast conspiracy is unveiled which may have successfully planted evil in Kristen's own home.