Prasad, the main character of the novel who had to shoulder the burden of the family, reaches the tea plantation in Wayanad in search of work due to the sudden death of his father. Amy, his girlfriend, has been forced to marry another person by her father without her permission. Meanwhile, the daughter of the Warden in the estate has been found dead in her house. DYSP Bhadran comes to investigate the case. Can he prove the case? These developments are depicted in the novel 'Niramillatha nilaavu'