Chandrani Roy is a student of History at Calcutta University and also a part-time author and poet. Fate brings Chandrani, Prashanta and Sudhir together. Sudhir is a very outspoken person. He can t hide his feelings. Though Chandrani and Sudhir like each other, Sudhir convinces Chandrani to marry Prashanta as there are many dark mysteries that Sudhir needs to solve.