An aged Byomkesh Bakshi and a story of his household. After 2 years of exile, one evening 'Khoka' A.Okay.A Abhimanyu Bakshi surrenders in a police station declaring a homicide. His son Satyaki initially accepts that truth however after his grandfather's ideas he tries to uncover the reality and uncovers a grand conspiracy. Will he be capable of discover the 'satya' (fact) in time?