Sisters

Danielle, a disturbed woman with a split personality, murders her abusive father and her mother. Years later, she lives a lonely existence with her "alter ego", the childlike "Peppy." When investigative journalist Grace Collier and her boyfriend George take an interest in Danielle's past, they uncover a dark secret. Grace becomes the target of Danielle's violent rage, leading to a terrifying and suspenseful confrontation.

Brian De Palma's 'Sisters' is widely regarded as a masterclass in suspense and psychological horror, often cited as an early precursor to his later works like 'Carrie' and 'Dressed to Kill.' Critics praised its innovative split-screen technique and unsettling atmosphere, though some found its narrative elements occasionally convoluted. Audiences were captivated by its chilling portrayal of mental instability and its shocking violence.

• Praised for its suspenseful direction and use of split-screen.

• Lauded for its unsettling atmosphere and disturbing psychological themes.

• Noted for its stylish and inventive visual approach to horror.

Google audience: Google users generally appreciate 'Sisters' for its chilling atmosphere and suspenseful build-up, with many highlighting its innovative directorial techniques. Some viewers find the plot slightly less engaging than its visual style, but the overall sentiment is positive, recognizing it as a significant early work in the horror genre.

Brian De Palma famously used a "Peep-O-Gram" effect, a device originally used for viewing stereoscopic photographs, to create the split-screen sequences in 'Sisters,' giving the audience a voyeuristic perspective into different simultaneous events.