Upon his release from jail, bad guy Will Mannon (Steve Forrest) is determined to take revenge on retired marshal Matt Dillon (James Arness) and Miss Kitty (Amanda Blake), who he blames for putting him away. At the same time, Dillon's pal Jake (Earl Holliman) tries to warn his friend but instead is falsely accused of murdering the prison warden. While Dillon sets out to track down Jake, Mannon terrorizes Kitty in Dodge. Eventually, Dillon makes his way back and confronts his vengeful nemesis.