Yakshi is a 1968 Malayalam-language psychological thriller film, directed by K. S. Sethumadhavan and written by Thoppil Bhasi, based on Malayattoor Ramakrishnan's novel of the same name. The film stars Sathyan, Sharada, Adoor Bhasi, N. Govindan Kutty, Bahadoor, Ushakumari, Sukumari, Rajakokila and Radhika. It is considered by historians to be the first psychological thriller in Malayalam cinema.


A college lecturer Sreenivasan is doing research on the unscientific and superstitious topic of the Yakshis. He is disfigured in an accident in his college lab. Everyone adored him begins to hate him and keep away from him for his looks. He meets a beautiful woman, Ragini. She is willing to accept him despite his disfigurement. Sreenivasan marries Ragini and they lead a happy life. After a while, Sreenivasan has doubts about the identity of his wife; he suspects that she is a Yakshi. He dreams that Ragini wants to murder him to gain immortality by drinking his blood. Sreenivasan allows her to take his life, but because of the strong passion and love towards him, Ragini lets him live and disappears. When Sreenivasan wakes up from the dream, policemen take him to a psychiatrist on the basis of the missing of Ragini and Sreenivasan's retarded behaviour. Sreenivasan tells them cops that, Ragini is a Yakshi and disappeared in front of him. But no one believes him. The psychiatrist reveals to the cops that, Sreenivasan is mentally ill because of his constant thoughts about Yakshis. He confesses that he murdered Ragini while she was dressing up due to his mental illness.