'Rasayatra' presents the life and music of Mallikarjum Bheemarayappa Mansur (1910-92). Visualising the music of the maestro the film explores Mansur's love and passion for music. Using his interviews the film takes us on a journey through his life, starting from his love for music as a child to his greatest achievements. Exploring Indian classical music the film also enters the realm of the poetic meaning of the lyrics and Mansur interpretations of those. Filled with personal anecdotes it talks about his personal life and how his music never got affected by it. The film is a tribute to the music and to the man.