Directed by Alejandro Amenábar, Regression is a 2015 psychological thriller that blends crime drama with unsettling mystery. Set in 1990s Minnesota, the film follows Detective Bruce Kenner (Ethan Hawke) as he investigates the disturbing case of a young woman, Angela (Emma Watson), who accuses her father of a horrific crime rooted in alleged satanic ritual abuse. As Kenner partners with psychoanalyst Dr. Raines (David Thewlis), they delve deeper into Angela's traumatic memories, uncovering a web of conspiracy, mass hysteria, and psychological manipulation that challenges their perception of reality.

Ethan Hawke delivers a compelling performance as the increasingly troubled detective, whose determination to find the truth leads him into morally ambiguous territory. Emma Watson portrays Angela with a fragile intensity that keeps viewers questioning her reliability. The film's strength lies in its atmospheric tension and slow-burn pacing, enhanced by Amenábar's deliberate direction and a haunting score that amplifies the sense of dread.

While Regression received mixed reviews for its narrative execution, it remains a thought-provoking exploration of memory, trauma, and societal fear. The cinematography effectively captures the bleak, wintry setting, mirroring the chilling nature of the investigation. Fans of psychological thrillers and crime mysteries should watch Regression for its ambitious themes, strong performances, and its unsettling take on real-world moral panics. The film's ambiguous conclusion will leave viewers debating what is real and what is imagined long after the credits roll.