The story deals with an aristocratic family and its filial defects. Kunju is the youngest member of the aristocratic family and has an elder brother, Sudhakaran Menon, whom everyone respects and fears. Kunju's sister-in-law is led by greed and halts any marriage proposals coming to Kunju to avoid sharing family wealth. Kunju's brother also follows his wife's lead in this matter. However, the elder brother's business deals result in losses which puts the family's livelihood at stake. His pride makes him fall further into debt.
Kunju suffers from schizophreniform disorder after witnessing the death of his girlfriend, Malavika, during his college days in Palakkad. He falls in love with a lower-class woman, Sridevi, despite the objections of his family. Sudhakaran Menon gets cheated by his lawyer and their clay factory is confiscated through illegal means. This disturbs Kunju and he attacks the new owners in a psychotic fit and kills those who cheated them. Sudhakaran Menon asks Kunju for forgiveness for his misdoings. The court absolves Kunju from his actions citing his mental disorder. Eventually, Kunju unites with Sridevi.
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