Balraj Kohli (Shakti Kapoor), his wife Sharda (Raakhee) and their son Sagar (Raj Kiran) were living happily together. Sharda's younger sister Purnima (Rekha) gets married. But after few days only, her husband died in an accident. Sharda loved her sister very much. So she couldn't control her emotions & fell down from the stairs. She got into a coma and got well only after 12 years. But in those 12 years, Balraj had married Purnima. Doctor said, this would be quite shocking for her, so keep on behaving with her, like they were behaving with her earlier. They decided that as the time will pass, they will tell everything to her slowly. Balraj & Purnima also gave birth to a child in these 12 years. They dicided to keep their house to meet her mom. Sharda got to know the whole story. She was very much shocked and hurt. After regaining consciousness she decided to act like a mad person again so that Balraj & Purnima will live happily ever after...but will Sharda really do this? Will she go at a mental hospital again ? Will Balraj & Purnima will get to know that she is acting.