We all know Feluda AKA Prodosh Chandra Mittra. But, this summer Bengali audience will see Sona Da for the first time. Sona Da AKA Subarna Sen is set to go on a thrilling journey in search of a treasure hidden in a remote area named Manikantopur on April 27th. Before that, Felu Da sends him a riddle to crack. Will he be able to answer the question? The film stars Abir Chatterjee as Sona Da while Arjun Chakraborty and Ishaa Saha will play his companions.