The film is a book adaptation of Kunal Basu"s novel with the same name. The film has 16 songs. It stars Japanese actress Chigusa Takaku as the Japanese wife.
According to Aparna Sen, she found the story like a modern-day fairy tale. She reveals that when she heard the story from Kunal Basu, she found it very strangely odd and yet charming at the same time.
Rahul Bose, who has earlier worked with Aparna Sen on 15 Park Avenue and Mr. and Mrs. Iyer, states that his character in the film is that of a romantic. His character, Snehmoy, is very stubborn schoolteacher and has been writing letters to his lover for 17 years. They start out as pen pals and then go on to become lovers. They even get married through letters and live together as husband and wife like this. They have never met though. It is set in the interiors of Sunderbans, West Bengal.
The film will be releasing on April 9.