Nefarious (2023) is a psychological thriller film directed by Chuck Konzelman and Cary Solomon, and starring Jordan Belfi and Sean Patrick Flanery.

The film tells the story of Dr. James Martin (Belfi), a psychiatrist who is assigned to evaluate a notorious serial killer named Edward Wayne Brady (Flanery) on the day of his scheduled execution. Brady claims to be possessed by a demon, and he threatens to kill Dr. Martin's loved ones if he does not help him escape.

As Dr. Martin delves deeper into Brady's psyche, he begins to question whether Brady is truly possessed or simply a master manipulator. He must also race against time to stop Brady from carrying out his threats.

Nefarious is a suspenseful and disturbing film that explores the depths of human depravity. It is also a cautionary tale about the dangers of delving into the minds of the most dangerous criminals.

The film has been praised for its strong performances, particularly from Belfi and Flanery, as well as its suspenseful atmosphere and thought-provoking themes.