The story revolves around Rehmat Ali (Mithun Chakraborty). The man lives to eradicate evil and protect the rest. He falls in love with bar dancer Sapna (Rituparna).
She is soon killed in a bomb blast by his rivals. Shattered Ali now dedicates his life to a family of four, (Roopa Ganguly is the lady of the house here) to save them from a gangster (Rajatava).