Multi-millionaire Vinay Kumar owns a show-room with Jewels found all over the world in different shape, style and fashion. In order to exhibit something new he seeks permission from the British Government to loan him the priceless Kohinoor diamond who agrees and laid down a condition that he will have to mortgage his entire show-room with them as guarantee that the diamond will be return. Thus Police Commissioner Surya Dev Singh is entrust with the task of securing the diamond from thieves. The diamond attracts both outlaws and ordinary characters and unfortunately the diamond got stolen; with everyone being a suspect the real culprit is not willing to part with the diamond under any circumstances.