Kamal Malhotra lives a struggling life with his mom and is employed as a salesman with retailers for a product called "Godrej", a famous hair dye. His life take a new turn when he is abducted, beaten, blind-fold and taken to a strange place with orders to have him killed but somehow he manages to flee from the killers. And then he begins a man hunt for one of the killers, whose voice he can recognize. His searches gets him framed for the brutal murder of a man called Mr. Narottam, and is arrested by the police but manages to escape and decides to leave the city via train. While on the train Kamal meets a beautiful young woman, Sonia Mehra and after a few misunderstandings both fall in love. But what Kamal does not know is that Sonia have links with a notorious smuggler, captain S.P. Singh, who is responsible for getting Kamal framed and to make matters worse the captain has plan to kill Kamal with the help of Sonia.
Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.
Veteran buttoned-down LAPD detective Roger Murtaugh is partnered with unhinged cop Martin Riggs, who -- distraught after his wife's death -- has a death wish and takes unnecessary risks with criminals at every turn.