Kristen uncovers Leland's sinister plan involving her ovum. Sheryl's role escalates the mother-daughter conflict. Meanwhile, David, Ben, and Kristen investigate a particle accelerator that could be a portal to Hell.
Kristen, David, and Ben investigate a suspected werewolf attack. Andy deals with unexplained trauma. Ben applies scientific methods to address a Jinn-related issue.
Potentially demonic pork products lead Kristen, David, and Ben to a pig farm to investigate. David increases his remote viewing skills and Leslie, the surrogate carrying Kristen's child, comes to her for help.
A couple seeking an exorcism are plagued by a demon that takes away the ability to speak clearly, and its influence spreads to the team. Andy is pushed to deadly measures, and Andrea confronts a demon attached to Father Ignatius.
Kristen, David, and Ben travel to the Vatican with a possible relic from Jesus' cross. Back in New York, the Bouchard girls face increasingly strange and sinister incidents in the house.
Ben and David ride along with a train engineer convinced he's being haunted on the tracks, while Kristen cares for her mother. Ben begins to question his sanity as gaps in his memory create turmoil in his relationship with Renee.
Through remote viewing, David stumbles into the life of a man contemplating murder-suicide and the team rushes to find him. Sheryl carries out her plan to prevent baby Timothy from becoming the Antichrist.
David, Kristen and Ben investigate a company using AI to fake communication with the dead after Father Ignatius receives text messages from the deceased Monsignor Korecki. At DF, Sheryl convinces The Manager to take action against Leland.
The team receives disappointing news; Kristen meets mysterious stranger Ellie, who claims to be an old friend of Sheryl's; a game between the two reveals disturbing information about Kristen's future and about Ellie herself.
Sister Andrea gives the team their last assessment, a man who believes his doppelganger has possessed him and has a personal connection to the nun. The three also look for new jobs, and Dr. Boggs faces a tough decision at Leland's trial.
The Vatican asks the team to investigate a Hawking-like genius for potential ties to the occult. David's continued aiding of the Entity produces physical effects, noticed by Sister Andrea. Leland returns home, where David confronts him.
An ominous countdown begins after the Bouchard girls start a new game on their VR goggles. The Entity moves to stop the Sixty, despite Sister Andrea's warnings. Kristen faces a final threat as Leland takes matters into his own hands.
