The best T. P. Madhavan’s mystery movies

Gauri (Shobhana) the sole survivor of a tragic bus accident loses her memory. Admitted to a private nursing home, where she is diagnosed as suffering from 'hysterical amnesia' (retrograde amnesia), she falls in love with the doctor's son Sarath Menon (Jayaram). However, Narendran (Suresh Gopi), Gauri's husband arrives from USA searching for Gauri. When Gauri fails to recognise Narendran, he returns without a word, never showing Sarath his wedding photos with Gauri, that he was carrying with him.

Kunjunni (Mammootty), in an inebriated condition arrives on a rainy night to purchase Nellur Mana, which is believed to be haunted by the ghost of Savithri (Dhanya Mary Varghese). Being crazy about old houses and palaces, Kunjunni, who is in to realty business was lured into this deal by Gireeshan (Manoj K. Jayan), the son of Guptan Namboothiri (Thilakan), a feudal land lord. In a fight with Kunjunni, his younger son had fell from the terrace and had got paralyzed below the hips. Now Guptan Namboothiri wants to avenge for it. Upon reaching the old house, Kunjunni is attacked by the goons of Gireeshan, but he escapes miraculously. An atheist, Kunjunni leads a carefree life away from the traditions of his family and is inlove with Thulasimani (Kaniha), the daughter of Pisharody, the old friend of his late father, who was also a famous tantrik.

The movie is about a murder of a prominent politicians wife and its subsequent investigation. Suresh Gopi plays double role in the movie, playing both politician and the detective