Full Story:"Prof. Ajoy Mukherjee" and his spouse "Aditi" witness a murder,committed by the vociferous criminal "Digbijay". In spite of repeated warnings from "Digbijay" and his right hand "Loha" the Professors give witness against them and they go to jail for 7 years. After coming out Djgbibay turns out to be even stronger. He attacks Ajoy's family. He sends a man called "Binod Sharma" who pretends to be the friend of Joy (Ajoy's brother). Digbijay and Binod conspire against Joy and Ajoy. After sending his own man to rob Joy of two lack rupees,Binod compels Joy to do a murder. In the mean while Digbijay stabs Ajoy and Joy gets entangled for the murder of his brother. A local inspector Dilip Lahiri also turns out to be a peer of Digbijay. While Joy remains in police custody,Digbijay tactically rapes and murders Joy's younger sister Dia. After all these incidents Joy's sister-in-law Aditi commits suicide. Joy teams up with his friend Kanchan and Kumar to seek revenge killing Binod,Dilip,Loha and Digbijay one after the other. Joy and his friends are jailed for 5 years.