Watch FMovies. In this unique crime thriller inspired by the "Shadow Walk" war tactic, sound designer Karthik`s extraordinary hearing ability leads him to uncover dark secrets about Ashok Selvan, a psychotic businessman connected to murders and a missing teenager. As Inspector Kathirvel investigates, shocking revelations about Karthik, Janani, and their intertwined fates emerge in this gripping tale of mystery and suspense.