Attin and Kader Khan are friends cum grandson and grandfather but Attin's father Mr. Malhotra does not like this association once Raj happens to meet Sandhya (Preeti Mehra) and hates each other but gradually this enmity turns into love. Sandhya's father is a pimp, he wants preeti to join his flesh trade after completing her college. Some of the richest men of society wants Sandhya to become thir keep. Sandhya and Raj are busy in their affaire without knowing the evil intensions of Baadshah. Once big Don of Mumbai Arjun (Yashpal Sharma) happens to see Sandhya and falls for her. Sandhya's father sells her to Arjun but Raj elopes with Sandhya from the brothel, the don's men follow them along with that Raj has to face his father who always believes in tradition and culture Dadu helps them to unit. But in this process Arjun succeeds in seperating them. But raj breaks all the barriers and problems and reaches Don, he defeats the army of Don and wins war and heart of Sandhya. Dhadkanein is the story of Love, affection, intimacy and the success of love over hatred.