"Kothanodi" translates to "The River of Flesh" in English. The film is set in the 1950s and revolves around a group of people who embark on a journey through a dense forest along the river Brahmaputra. As they navigate through the unforgiving terrain, they encounter a series of mysterious and terrifying events. The movie features a talented cast, including Bhupen Barua, Bhiman Pathak, and Apsara Deka.