Yannis is 22 years old. The restless soul, the heart that beats for music. In Marseille, surrounded by a group of passionate friends, his goal is that of thousands of others: to make a living from his art. We delve into his daily life, the creative process of his first EP and an encounter with a tumultuous youth. How to learn to live in uncertainty? What does it mean to want to be an artist? And above all, how can you be happy when you're a blue boy?