The Elder boys return to Clearwater, Texas for their Mother's funeral. John the eldest is a well known gunfighter and trouble follows him wherever he goes. The boys try to get back their ranch from the towns gunsmith who won it from their father in a card game with which he was shortly murdered there after but not before getting through the troubles that come with the Elders name. The four sons of Katie Elder reunite in their Hometown of Clearwater, Texas for their Mother's funeral, and discover that the family ranch is now in the hands of Morgan Hastings, the town's gunsmith.
A group of terrorists, led by a Brit and a psycho (in a great performance by "Rowdy" Roddy Piper) take control of the Hoover Dam and demand $25 million or they will kill civilians and dam workers they have taken hostage. But the terrorists didn't count on Sheriff Jacob Harper, (Don "The Dragon" Wilson), an ex-Army Ranger whose father is one of the hostages. But after the FBI takes over the the crisis, and relieves him of his duties, he must take on the terrorists by himself and save his father and any hostages that are still alive.