The story begins with the arrival of a royal assistant of a former state in India to Feluda's house in Kolkata. Chandradeo, the king of the kingdom, secretly gifted an Ayurvedic doctor of Hrishikesh with a sum of money to cure his disease. Although the Gowandavijan eventually turns into a pilgrimage, Feluda naturally goes to the pilgrimage with his eyes and ears open, and what he sees there, he has to assume the role of the familiar detective in order to find the mysterious doctor.
