Kristen, David and Ben investigate a supposed miracle when a teenage girl comes back to life after being declared dead for almost three hours; Kristen meets with her former boss and runs into Leland Townsend.

After a high-strung theater producer's behavior turns from demanding to what is believed to be demonic, Kristen, David and Ben must assess the situation. Kristen discredits her nemesis, Leland Townsend, before he can ruin a 17-year-old boy's life.

When the Catholic Church asks Kristen, David and Ben to assess the veracity of a local prophetess, Grace Ling, they are shaken when they see one of her visions come to life.

When Bridget confesses to murder during her exorcism, Monsignor Korecki asks Kristen, David and Ben to investigate if the details match any open cases and if the woman really is possessed by a demon.

When David recognizes one of the sigils in the Poveglia Codex from his father Leon's artwork, he and Kristen journey to a remote art commune to investigate its meaning and how it's related to David's family.

At Dr. Boggs' request, the team is introduced to a recently widowed Catholic named Nathan, and his teenage son, Elijah.

The team is sent to meet on campus with Mitch Otterbean, a student with a growing compulsion to eat human flesh.

David’s relationship with Kristen takes a turn when he gives into his temptation. Meanwhile, the team is tasked with exploring a machine to measure the weight of the human soul as it leaves a dying body.

Kristen, David, and Ben face the horrors of the internet as they investigate a Slender Man-style meme that scares teens into committing blasphemous acts in order to avoid death. Leland trains Sheryl in the fine art of online trolling.

Sister Andrea joins the team to fix a demonically possessed marriage, and Leland and Sheryl continue their crusade for Satan.

Sister Andrea’s career and sanity are on trial as she battles Leland. Meanwhile the team investigates an alleged angel sighting.

A single mother enlists the team to look into the potentially demonic ways the viral app TipTop is terrorizing her family.

The team responds to reports of possessed toys and electronics originating from a store. David is tasked with retrieving a hidden message that may be the key to saving the prophet Grace Ling.

The team investigates claims that a demon has been stalking people who have invested in a stock tip. The Entity asks for David's help in transitioning Grace Ling back.

The team investigates a household terrorized by a demonic infestation and is shocked when they find out the house is next door to Kristen's. Meanwhile, Kristen is surprised to learn that her frozen egg was never destroyed and purchased anonymously which leads her on a new adventure.