Ishq Par Zor Nahin is a story of a rich shoemaker's son who is friends with a poor man. His father hires the poor man to work in his shoe company. The rich kid falls in love with a girl but asks his poor friend to write her a letter. The film takes a turn when she falls in love with the poor friend. The film stars Dharmendra, Sadhana, Biswajeet and Kamini Kaushal.