Town constable Bob Valdez (Lancaster) must confront evil double-crossing rancher Frank Tanner (Cypher) after he's duped into leaving a widow penniless. After an attempt on his life Valdez summons the courage and strength he learned in the army to plan a righteous and bloody revenge.

Tension mounts when, after wounding one of Tanner's henchmen, our hero sends him back to the land baron with the immortal message of the title, "Valdez is coming"...