The film was inspired by a local legend at Sumathi valavu, a spot in Mylamoodu, Thiruvananthapuram, believed to be haunted by the ghost of Sumathi, a woman murdered in the 1950s. The film was shot in the same location. Taking inspirations from the stories, the makers developed a fictional narrative with elements of horror and comedy.
Plot
The story is centered on a haunted place called Sumathi Valavu, with the ghost of a Tamil woman guarding it for years. A group of people experience supernatural incidents linked to the location.
Bhama as Malu, Mahesh's sister and Hari's wife (Cameo Appearance)
Production
The film is produced by Murali Kunnumpurath under Waterman Films LLP in association with Think Studios. Principal photography began in November 2024 in Palakkad, Kerala. Cinematography is handled by P. V. Shankar, with editing by Shafique Mohamed Ali. The film wrapped in March 2025.
Music
The film's music is composed by Ranjin Raj.
Release
The teaser of the film released on 20 April 2025.
Sumathi Valavu was released on 1 August 2025. The film released on ZEE5 from 26 September 2025.
Prequel
On 9 August 2025, the makers announced a prequel titled Sumathi Valavu 2: The Origin. The film will explore the origins of the folklore behind the haunted locale featured in the original, delving into the tragic events that shaped its legend. Director Vishnu Sasi Shankar, writer Abhilash Pillai, composer Ranjin Raj, and producers Gokulam Gopalan and Murali Kunnumpurath will return for the prequel. While it is yet to be confirmed if the original cast will reprise their roles, the producers stated that several prominent South Indian actors will be part of the project.
