In a colorful and dynamic Wild West, the story follows the misadventures of the Dalton brothers, a quartet of dangerous yet hilarious outlaws who are always on the lookout for a new heist. However, despite their ambitious robbery plans, their wicked schemes are constantly thwarted by the incorruptible and entertaining sheriff of the area, a lone cowboy known for his cleverness, Lucky Luke.
The plot unfolds as the Daltons, determined to make a fortune, plan to carry out a series of bold robberies in various towns across the territory. But these criminals have a little problem: their foolish behavior and constant bickering among themselves make their plans more prone to failure. As the Daltons embark on their "big adventure," they inadvertently entangle Luke in their complicated mess, and amidst laughter and chases, the cowboy must use all his wit to stop them before they can pull off their final heist.
As the Daltons attempt to escape the law, humor and action combine in a series of hilarious situations that lead both the villains and the hero to face an unexpected fate. From duels in saloons to horse races, everything contributes to a frantic adventure that entertains the audience and celebrates the essence of the original comic style that inspired this film. A classic Western comedy that promises laughter and a spectacular finale.