New York, early 1960s. Against the backdrop of a vibrant music scene and tumultuous cultural upheaval, an enigmatic 19-year-old from Minnesota arrives in the West Village with his guitar and revolutionary talent, destined to change the course of American music.
A vacuum repairman moonlights as a street musician and hopes for his big break. One day a Czech immigrant, who earns a living selling flowers, approaches him with the news that she is also an aspiring singer-songwriter. The pair decide to collaborate, and the songs that they compose reflect the story of their blossoming love.
Gretta, a budding songwriter, finds herself alone after her boyfriend Dave ditches her. Her life gains purpose when Dan, a record label executive, notices her talent.