Demonte Colony begins gently for a horror film; the four main characters are introduced individually, each with their own scene that gives us some insight into who they are. Raghavan (Sanath), an aspiring filmmaker, goes to pitch a scary movie idea to a producer, but is instead asked to create a comedy. In what seems like a jab at a real actor, the producer requests a film without a plot where the hero and comedian talk constantly, preventing audiences from understanding who the protagonist actually is. Sajith (Abhishek) works as an electrician and feels like a failure in life, while Vimal (Ramesh) is a graphic designer. Then there’s Srini (Arulnidhi), who provides companionship—non-sexually—to a married woman for money. Driven by false confidence, the four decide to investigate a run-down mansion located in the neighborhood known as Demonte Colony, a place where a Portuguese nobleman supposedly murdered his servants after his mentally unstable wife became pregnant during his absence. The friends initially escape unharmed, or so they believe, until the following night when strange occurrences begin in their room—the television won't turn off and instead of playing the DVD they inserted, it replays their own conversations; the windows and doors remain sealed; their pleas for help go unheard; they discover a shocking truth: one of them has been dead since the previous evening! The mystery revolves around why this malevolent spirit is targeting them. Horror comedies are popular right now, but debut director Ajay Gnanamuthu’s Demonte Colony stands out as a refreshing alternative—it's a straightforward horror film with no unnecessary additions (there isn't even any comedy, or a female lead!), and that alone makes it worth appreciating. The movie does rely on familiar horror tropes, but the filmmaking itself gives it a distinct feel. The story unfolds over two days, with the entire second half taking place within a single room; however, director Ajay, along with his cinematographer Aravinnd Singh, keeps the film visually interesting—the orange glow of a streetlight in the background contrasts sharply with the saturated colors used for the room, and the creative camera angles (essential to any horror movie) enhance the suspense. The musical score is somewhat loud, but the sound effects team does a good job. If the constant rain outside emphasizes the hopelessness of the protagonists' situation, then the vibration felt when a gun is repeatedly banged on the floor increases the tension in that scene. Despite its visual appeal, Demonte Colony occasionally feels predictable and lacks a true sense of fear. The film also raises questions that aren’t adequately resolved, such as why the evil spirit waits a day to attack them and what or who the benevolent spirit is that communicates with them through an ouija board. And the ending is somewhat disappointing; it doesn't come across as a surprise but more like a deception where events are presented one way and then revealed to have happened completely differently.

Source on TMDB