Trisha has an inseparable younger sister called Usha. Due to certain circumstances, Raju forces himself to disguise as Balu and Usha falls in love with Balu. As the confusion about mixed identities continue, Munna - another lookalike of Raju - comes from Mumbai.
Trisha has a younger sister named Usha who is inseparable from her.  Raju disguises himself as someone else (Balu) and Usha falls for him. As the situation becomes more complicated with mistaken identities, another person resembling Raju arrives in Mumbai, named Munna.