The story starts off with an ancient painting of Nagavalli (Vimala Raman), distributed as a prize to bharathanatyam dancer Saraswathi (Lakshmi Gopalaswamy), her husband and her family. At the Engagement day of Gowri (Sandhya), one of her friends had fainted by encountering a huge thirty-feet Snake/Serpent, and the bridegroom/fiancé had ran away from the family house fearing of something. All strange incidents happen as the family called for a snake charmer to the house, but the snake charmer had died when he attempted to make the serpent appear.
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