The Poulose family which comes to Ooty on vacation, befriends a newly married couple, Sreeraman and Indulekha, staying next door on their honeymoon. The couple looks happy on the outside, but the wife has problems underneath the surface.
When the local Circle Inspector makes a visit, it is revealed that a psychopath Unni is after Indulekha's life. Unni was Indulekha's ex-lover who had been comatose for over a year and a half after a fatal accident with no hope of recovery. Her parents had forced her into a reluctant marriage with Sreeraman. However, Unni made a miraculous recovery but with a mental imbalance which leaves him with no sense of time. He is deluded into thinking that he was hospitalized only for a few days and Indu had married betraying him. He also believes that his accident was her doing, making him go for her life now.
In the end, after a huge fight with Sreeraman, Unni is shot dead by Poulose just before he almost stabs Indulekha.
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