New Hope Valley is celebrating its 50th anniversary, but the celebration is short lived by the arrival of assemblyman Proctor and developer Gilbert, who announce that New Hope Valley is being condemned so that the land can be used for the site of a new dam which will give water to nearby developing communities. This riles the residents who attack the developers while they are on construction. Gilbert, who is stopping at no lengths to see the project completed, is convinced that the residents will listen to Stony, Tucson, and Rusty, so he tells them of their plan of moving to a new piece of land where they will have irrigation and the chance to start anew on their farms. However the Three Mesquiteers learn that this was just a dupe by Gilbert & Proctor since they have no plans to carry water to that new valley, and the three go to confront Gilbert and his men before they flood New Hope Valley. Another well done entry in the 3 Mesquiteers series despite the fact that the villainous element isn't seen until 30 minutes into the picture and there is very little in the ways of action until the very end. Like their next film Wyoming Outlaw, this is another entry in the series dealing with issues of the times primarily the leaving of the town versus the use of progress to help nearby communities. Well done with an excellent finale at the dam. Rating, based on B westerns, 7.