DIL PE MAT LE YAAR tells the story of Ramsaran Pandey (Manoj Bajpai), who arrives in Mumbai from Jaunpur [a district in Uttar Pradesh], to earn a living. He gets a job in a garage, as a mechanic. There he happens to meet Kaamya (Tabu), a press reporter, who is in search of an innocent and honest person, which is hard to find in a city like Mumbai. Ramsaran falls in love with her.

Ramsaran's friend Gaitonde (Saurabh Shukla) is a small time marriage videographer. He has a poor income, which is the reason for his relationship with his wife not being good.

Kaamya begins a to write a series of articles on Ramsaran as she finds him to be the 'only hope in the city of despair'. Inspired by her articles, Mahesh Bhatt wants to make a film based around the character of Ramsaran. Bhatt approaches Kaamya for it, and she readily agrees.

Kaamya starts meeting Ramsaran on a regular basis as she draws her inspiration from his real life. As a result, Ramsaran's love for her grows stronger.

But when Ramsaran tells Kaamya about his feelings, he realises that it was a big mistake. He gets jilted in love and thinks that the reason for his rejection is that he is poor. So Ramsaran decides to go to Dubai to earn money. The rest of the story revolves around his trials and tribulations, and his quest to earn money…

DIL PE MAT LE YAAR stars Manoj Bajpai, Tabu, Saurabh Shukla, Aditya Srivastav, Kishore Kadam, Harsh Chhaya, Divya Jagdal and Mahesh Bhatt (in a special appearance). Produced by Anish and Ajay Tuli, the film is directed by Hansal Mehta.