Hard-luck cabbie John Winger, directionless after being fired from his job and dumped by his girlfriend, enlists in the U.S. Army with his close pal, Russell Ziskey. After his barely satisfactory performance in basic training, the irreverent Winger emerges as the figurehead for a ragtag band of misfits. However, his hijinks threaten to cause an international scandal when he inadvertently commandeers a military assault vehicle behind enemy lines.
Vijay Singh is a disgraced former Merchant-Navy officer who is branded as a coward after he abandons his crew during an emergency. Guilt-ridden and trying to forget his past, he takes up work at a coal mine where he gets trapped with other miners after a flood hits them.
Naresh Kumar Saxena lives with his widowed mom and sister, Seema. He works as a freelance photographer and journalist. One day he meets with Mala Mehta and her dad, who is the Editor of a Newspaper. Mr. Mehta hires Naresh and assigns him to go to a remote island to investigate and expose some illegal activities there. Naresh goes there in the company of his friend, Shyam. Unfortunately, Naresh is caught by the island guards and lodged in a cell along with two others, one a scientist and Ram Singh, a hoodlum. The scientist confides in Naresh that he has invented an atomic ring that when inserted in someone's mouth will turn that person invisible, and subsequently passes away. Naresh puts the ring in his mouth, takes off his clothes, turns invisible and escapes.