The action takes place in 1703 and Colbert wants to buy the duchy of Pignero ,unbeknowst to the old Duke. A sadistic villain (a count) is slowly poisoning the lord, besides he covets her daughter. The iron mask is here the duke's son, but the hangman's daughter takes pity on the unfortunate...
Four people are killed in a saloon hold-up. The townspeople pin the murders on local no-count black sheep Chester Conway. Lawyer Jeff Plummer and prostitute Polly Winters don't believe that Chester is guilty of these crimes, so they hire smooth and suave gunman Silver to prove Chester's innocence...
