Guy is a young Irish musician ready to give up his career because his songs, written about his ex-girlfriend, are too heartbreaking to perform any more. When he encounters Girl, an inquisitive young Czech woman who believes he could win his ex back by playing to her in New York City, he resumes writing and performing—now with Girl. As the two form their band and write new songs together, a love grows between them—one that inspires and challenges them. playing the role of Reza