Nageshwar alias "Don" (Amrish Puri) heads a vast criminal empire. He has an only son, Ajay (Ajay Devgn), who is completely familiar with his dad and his business. So is Ajay's wife, Pooja (Madhoo), who would like to put an end to all these criminal activities. When Nageshwar starts showing signs of ageing, he decides that it is now time for Ajay to take over from him. Ajay does so, however, a number of Nageshwar's associates are unhappy, embittered, and critical of this choice, and as a result, they, under the leadership of Shankar Dhanraj kidnap Ajay's baby son, Gopal. Will Nageshwar negotiate his grandson's release, or will his grandson be another sacrifice of his "empire"? How will Ajay and his wife react to this?