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The movie follows the journey of Janardhan Jakhar, a young musician who transforms into Jordan, a rockstar. The story revolves around his struggles, passions, and relationships. Jakhar, played by Ranbir Kapoor, is a talented musician who performs in small clubs and bars. He meets Heer, played by Nargis Fakhri, a free-spirited woman who becomes his muse and inspiration.

Rockstar received positive reviews from critics, with many praising Ranbir Kapoor's performance and A. R. Rahman's music. The film was a commercial success, grossing over ₹85 crore at the box office.

As Jordan's music career takes off, he becomes a sensation in the industry, but his personal life becomes complicated. The film explores themes of love, fame, and the music industry.