The film tells the story of Samar (Shah Rukh Khan), a carefree and adventurous man who lives life on his own terms. He meets Naina (Priyanka Chopra), a beautiful and talented singer who is engaged to be married. Despite their initial differences, Samar and Naina develop a strong bond, and Samar helps Naina discover her true passion for singing. As they spend more time together, they fall deeply in love, but their relationship is put to the test when they face various challenges and obstacles.