Suman and Vijay Rai are two virtually inseparable school-going children. Both are heart-broken when Suman's dad decides to move out to a new location, both have tattooed a heart on their arms and hope to remember each other for the rest of their lives. Years later, they unknowingly meet each other, and this time Suman is married to Vijay's brother, Prakash (Mamik Singh), while Vijay is married to a rich and wealthy U.S. returned woman named Rita. Unfortunately, Prakash and Suman meet with an accident shortly after their marriage, but both recover. But Vijay's marriage with Rita is on the rocks due to incompatibility, with Rita moving out of Vijay's life. It is then Advocate Suresh, Suman's brother, comes across evidence that leads him to conclude that the couple was swapped by unknown person(s).
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