In Karvalo, the protagonist is a well educated farmer, who is also the narrator of the same story. In spite of his great interest in rural lifestyle, his unsuccessful agricultural work makes him consider ending his life as a farmer to move to the city. During this time he meets Karvalo, a middle aged scientist in search of a rare lizard. Their first few meetings were made to discuss the agricultural difficulties. A character named Mandanna, a local cowboy who is considered as a good-for-nothing fellow by the villagers and his friends, also makes his appearance in the initial stage of the novel.
The farmer wonders why Mandanna and Karvalo become close and what the scientist finds so special in the local cowboy. As the story progresses, the farmer is understands that the scientist finds Mandanna to possess special skills, such as observational skills to identify creatures. Karvalo takes Mandanna on as a researcher.
One day Karvalo reveals that Mandanna had seen an endangered flying Lizard Draco dussumieri is an agamid "flying" lizard capable of gliding from tree to tree found in the Western Ghats and a relative of Draco blanfordii of China (SW Yunnan), E Thailand, W Malaysia, Myanmar, Vietnam, India and Bangladesh. Karvalo is interested in finding the lizard, previously thought to have been extinct.
The journey of the characters, a camera man and cook to find the lizard is the story of this novel. The series of discussions and revelations during the expedition gives a philosophical touch to the story, particularly the search for the truth of life.
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