Lucky Luke tells the story of the legendary, lonely cowboy who must help Louise, an eighteen-year-old girl as endearing as she is unpredictable. Together, they embark on a quest across the Wild West to find Louise's mother, who has mysteriously disappeared… while thwarting a plot that could change the course of U.S. history! Between duels, chases, furious balls and unexpected alliances with the Daltons, Billy the Kid or Calamity Jane, our unlikely duo will discover that the biggest challenge is not to save America… but to team up! A thrilling adventure where the man who shoots faster than his shadow will have to face the ghosts of his past and confront the origins of his legend.