Lucky (Rishi Kapoor) was abandoned at birth by his mother and was adopted by truck drivers, Mangat and Bajirao, and cared for by Buaji. He grows up to be a street smart guy in the city of Bombay. He falls in love with Shanti but when he meets her father, he is humiliated since he is poor. He vows to win her back by amassing wealth. Little does he realise that what stands in his way is his father.