When a string of unexplained deaths rocks the city, detective Karthik (Vijay) is called in to investigate. With the help of a journalist (Nayanthara) and a forensic expert (Samantha Ruth Prabhu), Karthik uncovers a conspiracy that implicates powerful figures in society.

The film is a gripping mystery with unexpected twists and turns. As Karthik delves deeper into the case, he faces danger at every step, testing his courage and intellect. The story keeps viewers guessing until the very end, making The Silent Guardian a thrilling ride.