Regression, directed by Alejandro Amenábar, is a 2015 psychological thriller that delves into the unsettling intersection of crime, memory, and mass hysteria. Set in 1990s Minnesota, the film follows Detective Bruce Kenner (Ethan Hawke) as he investigates the allegations of Angela (Emma Watson), a young woman who accuses her father of horrific abuse linked to a satanic cult. Partnering with psychoanalyst Dr. Raines (David Thewlis), Kenner employs regression therapy to uncover repressed memories, but the case spirals into a complex web of doubt, manipulation, and community panic.

The film's strength lies in its atmospheric tension and thought-provoking premise, exploring themes of suggestibility and the reliability of memory. Ethan Hawke delivers a compelling performance as the increasingly troubled detective, while Emma Watson effectively portrays Angela's vulnerability and trauma. Amenábar's direction creates a persistently eerie mood, using the bleak winter setting to enhance the story's psychological dread.

Despite a mixed critical reception, Regression offers a gripping, mystery-driven narrative that questions the nature of truth and the power of fear. For viewers interested in crime dramas with a psychological twist, or fans of the cast's performances, this thriller provides a suspenseful and conversation-provoking watch. Its exploration of real-world moral panics adds a layer of relevance that makes it worth viewing for thriller enthusiasts.