Exorcist II: The Heretic

Father Philip Lamont, grappling with his faith, embarks on a mission to exorcise a possessed girl in Rio de Janeiro. The girl's tragic fate is sealed when she self-immolates, escalating Lamont's troubled journey.

Returning to Vatican City, Lamont is summoned by the Cardinal regarding the mysterious death of Father Lankester Merrin. Merrin had been killed while performing an exorcism on the demon Pazuzu, and now faces posthumous heresy from the Vatican.

Regan MacNeil, once at the center of a notorious scandal, lives quietly with her guardian Sharon Spencer in New York. Despite her traumatic past, she claims to remember nothing of the incidents that transpired.

Dr. Gene Tuskin employs hypnosis on Regan in an attempt to unlock her repressed memories. Connecting herself to Regan via a synchronizer, Tuskin begins to uncover the hidden truths behind Regan’s traumatic experience.

During a briefing at the Georgetown house, Lamont is linked to Regan through the synchronizer. He is transported in time by Pazuzu to witness Father Merrin performing an exorcism on a boy named Kokumo in Africa.

In his vision, Lamont learns that Kokumo possesses unique abilities to combat Pazuzu, who manifests as a swarm of locusts. This vision guides Lamont's pursuit of understanding how to battle the demon threatening Regan.

Determined to seek Kokumo, Lamont defies his superiors and travels to Africa. His journey is driven by the urgency of stopping Pazuzu from targeting individuals with psychic healing abilities.

Now an accomplished scientist, Kokumo researches ways to prevent grasshoppers from transforming into destructive locust swarms. Meanwhile, Regan uses her psychic abilities to help others, demonstrating her gifts.

Father Merrin had envisioned that psychic abilities signified a new age of global consciousness, with Regan and Kokumo as catalysts for this transformation. His message to Lamont urges him to protect Regan.

Upon returning to New York, Lamont reconvenes with Regan, Tuskin, and Sharon at the Georgetown residence. The team remains vigilant as they prepare for the looming threat posed by Pazuzu.

As they strategize, Pazuzu tempts Lamont with the promise of limitless power, assuming the form of a seductive doppelganger of Regan. This psychological battle puts Lamont's faith and will to the test.

After initially giving in to temptation, Lamont confronts Pazuzu in its alluring form. In a chaotic showdown amid a swarm of locusts, he tears the doppelganger's heart out, showcasing his determination.

In a bold act of defiance, Regan successfully banishes Pazuzu and the locusts. She performs a ritual that Kokumo had failed to complete, proving her strength and connection to the spiritual realm.

Amid the chaos, Sharon suffers fatal injuries from self-immolation. Her tragic fate underscores the severe consequences faced by those caught in the battle against malevolent forces.

As the team departs from Georgetown, Dr. Tuskin advises Lamont to remain vigilant over Regan. She stays behind to handle inquiries from authorities about the shocking events that have occurred.