Forensic psychologist Kristen Bouchard is hired by the Catholic Church to determine whether a serial killer is possessed by a demon or merely a psychopath.

Everyone is forced to adjust as Cal guards a secret, Eagan pursues his own mission, and Michaela uncovers a tragic murder.

After finding another dead body, Michaela and Jared try to track down a serial killer. Cal goes on a date. Zeke faces old demons.

Ben forms an alliance with a student from Flight 828, whose callings either uncovered a violent crime or helped him commit one. As Saanvi strives to further her research into…

Tech billionaire Odin Reichenbach inadvertently provides Holmes and Watson with a lead that could give them evidence that brings him to justice.

Red and Liz go under cover to stop an assassin known as The Freelancer from killing his next target; Ressler and a recently re-hired CIA agent try to protect Red…