Hoshiyar

Sitadevi (Tanuja) lives a comfortable life with her husband and two sons, Rakesh (Jeetendra) and Rajesh (Shatrughan Sinha). One day heroes father and his friends Dhartiraj (Pran) & Malpani (Kader Khan) wins a jackpot. Dhartiraj & Malpani plans and kills him for his property and creates it as an accident and then they take over his property and pushes out his family from their house. While traveling in a train it meets with an accident, Sitadevi & Rakesh are separated from Rajesh and he is adopted by an old man who has a blind granddaughter whom Rajesh takes care as his own sister (Poornima), after 20 years Rakesh grows up to be a singer, while Rajesh lives a life of crime he works for Dhartiraj, Dhartirajs only daughter Jyothi (Meenakshi Seshadri) falls in love with Rakesh, but Dhartiraj has already finalized Jyothis marriage with Malpanis son (Shakthi Kapoor). Once they come clash between Dhartiraj & Rajesh and Dhartiraj gangsters rapes Rajesh's sister.

Rajesh wants to take revenge against him so he kidnaps Jyothi keeps her in the forest, but he takes care of her as his own sister after some time she also likes him when he saves her from Malpanis son. Rakesh wants to save Jyothi from Rajesh through Rajesh lover Radha (Jayaprada) he comes to know they are in the forest he keeps Radha in his custody and goes to the forest to protect Jyothi in the meantime Dhartiraj realizes his mistake because he is cheated by Malpani who keeps him in his custody. Sitadevi comes to know that Rajesh is also her son by Radha, she goes to the forest meets her sons tells them the truth both joins and sees the end of Malpani & his son. Finally, Rajesh marries Radha and Rakesh marries Jyothi.