By Sarathi Guha(03 Apr 2008)
A young lawyer named Shankar Chatterjee lives in Patna with his mother. One day his mother tells him that his father is alive and is in jail for the murder of Hemangini Hazra. He goes to Krishnanagar to prove his fathers innocence. In Krishnanagar he meets Rita. Rita likes him. Shankar starts his investigation and comes to know that his father is innocent. He wants to know all about Hemangini’s murder. Sushil tells him that he knows his father, Prashanta is innocent. Sushil gives Shankar every investigation report. Sahadeb Dutta is the cousin of Hemangini. Shankar finds Sahadeb Dutta and tells him to stand in court for his father and re-open the case. Finally he proves that Sahadeb Dutta and Bina had told a lie on that time and that the murderer is another left handed man. Ultimately it is proved that the public prosecutor, Roy Bahadur is the murderer. Finally court releases Prasanta Chatterjee.