In the relentless world of professional cycling, every race is a battle-but for the young Breton team known as the "Men in Glaz," the fight is bigger than a finish line. After earning a coveted spot in the 2020 Tour de France, the riders set their sights on an even greater challenge: securing their place in the 2021 edition of the world's most prestigious race. As the team navigates financial uncertainty, fierce competition, and the unforgiving demands of the sport, One Day We'll Win the Tour offers an intimate, behind-the-scenes look at their journey. Filmmaker Laurent Cadoret captures their grit, sacrifice, and unwavering belief in a shared dream: to stand among cycling's elite and, one day, claim victory on the grandest stage of all.