
In the 70s of the XIX century, the best weapon in the Wild West was considered to be a multiple-shot rifle "Winchester "73" model 1873, and many shooters were willing to go to any lengths to get hold of this weapon ... Desperate Lyn McAdam, in pursuit of his father's killer, arrives in Dodge City with his friend Johnny, nicknamed "Tall Blade".
The town celebrates U.S. Independence Day under the watchful, fatherly eye of Sheriff Wyatt Earp, who collects guns from gun-toting outsiders and stores them in his office for the duration of the festivities. In honor of the festivities, the town announces a contest for the best shooter, the winner of which will receive a unique (one in a thousand) "Winchester "73". Lin goes to the local saloon and orders a drink.
Suddenly, out of the corner of his eye, he notices "Dutchman" Henri Brown - his worst enemy. The heroes have to compete in marksmanship at a town festival for the best winchester in the country. McEdam manages to defeat "Dutchman" and get an expensive rifle, but annoyed Henri attacks the winner and takes away the winchester. An exasperated Lin begins to pursue the rifle thief....