The trailer of Dibakar Banerjee's upcoming movie 'Detective Byomkesh Bakshy' released Tuesday. The film, which stars Sushant Singh Rajput, is a mystery set in 1940s. Produced by YRF, the film is scheduled to release on February 13, 2015. There was some speculation that Banerjee had chosen to make this film because of the success of the BBC television series, Sherlock.