Chathur Mukham (2021) is a Malayalam techno-horror thriller directed by Ranjeet Kamala Sankar and Salil V. The film follows Thejaswini (Manju Warrier), a bold and independent woman obsessed with social media and technology. After her old phone breaks, she buys a new one from an unknown brand, only to experience eerie and inexplicable events. As supernatural occurrences escalate, she realizes the device is haunted, leading her into a terrifying battle against an unseen force.

With the help of her friend Antony (Sunny Wayne) and professor Clement (Alencier Ley Lopez), Thejaswini uncovers the dark mystery behind the cursed phone. The film blends horror with a strong social message about excessive dependence on technology. Known for its gripping screenplay, chilling visuals, and psychological depth, Chathur Mukham stands out as a unique horror-thriller, offering a fresh take on techno-paranormal storytelling in Indian cinema.