The film is the story of two conmen, Ramesh and Mahesh, whose only life purposes are to make the most money by cheating and theft. They land in the hands of a high-profile Portuguese dictator, who wants to blow up India with the formula of an atomic bomb, a Nuclear weapon developed by a scientist of Hong Kong, who is killed along with his daughter by high treasonous thieves in the hope of securing the formula, which, however, the scientist has already secured in a safe deposit locker in the Bank of Hong Kong. Coincidentally, the scientist’s daughter is a look-alike of a girl called Ms. Sonia / Usha Roy, who the dictator wants to act as the deceased patriotic daughter, go to the bank using her identity and take out the formula, to be later secured by him, and misused against India. For this, he makes Mr. Pran, his CID officer to be close to Sonia as her engaged partner, after she wins the Beauty contest of Miss Bombay. Simultaneously, he orders another of his cronies, Ramayan Tiwari, to pursue Ramesh and Mahes