Byomkesh Gotrois aBengali detectivethriller film directed by Arindam Sil and based on a Byomkesh Bakshi story Rakter Daag by Sharadindu Bandyopadhyay. This film is produced byShrikant MohtaandMahendra Soniunder the banner ofShree Venkatesh Films and it was released in 12 October 2018.
Satyakam, a young boy comes to Byomkesh in Kolkata and introduces himself as son of a business magnate from Mussourie. He confesses that he is a womaniser by nature. He invites Byomkesh to come to Mussoorie because he feels that his life is under threat. When Byomkesh reaches Mussoorie, finds that Satyakam was murdered mysteriously. Boymkesh starts investigation which reveals a dark history of Satyakam's family.