Somu and Vicky decide to exact revenge on the union leader, Bipinlal Pandey. However, when Somu understands the plight of the workers, it creates a rift between the two friends.
Sunil Mehta is a businessman married to a pretty and loving wife, Geeta. Sunil's only problem is she is easily led to suspicion. One day while returning from office, Sunil is attracted by the sight of a wayside carnival and decides to try the Giant Wheel drive reminiscing his childhood days. Unfortunately, Sunil gets stuck in mid-air due to a mechanical problem in the Giant Wheel and is unable to return home till the next morning. Geeta suspects Sunil is seeing someone else and even though Sunil says the truth to Geeta, she doesn't believe it and so starts a hilarious and twisted tale that engulfs three happily married couples.
Amitabh Bachchan plays a rich playboy who makes a bet with his friend, Vinod Mehra, which costs an innocent girl, Rakhee Gulzar, her honor. Kicked out by her father, she flees and makes a new life for herself as a singer. It takes two hours to straighten out the misunderstanding, obtain forgiveness from her father and finally reunite a reformed Bachchan with his heroine.
