Two men, look alike Ritwik Ghatak and Adwaita Mallabarman, meet in a dry riverbed affected by global warming. Adwaita, born in fishermen community, loses his parents at his childhood. The fishermen give him support for his education and all. When they cannot continue anymore, he finds a few jobs at various newspaper offices at Calcutta. He writes a novel there in order to help his poor fishermen villagers by selling it. But, he loses the manuscript in a bus. Notable filmmaker Ritwik Ghatak has been struggling to make his next film for the last 13 years. Finally, he gets an idea for a film while visiting his sister in Bangladesh. As soon as he finishes reading the book given by his sister, decides to make a film on that. The book Ritwik wants to make a film on is the book whose manuscript Adwaita lost once - Titash Ekti Nadir Naam.