When the Mexican circus ships out of the gringo town of Conejos Blancos, Hart and his ruthless desperadoes are quick off the mark to take over the town and the adjacent silver mine. With the sheriff slain, and many of the citizens held hostage, two local boys escape and recruit seven Mexican circus performers to help penetrate the cordon of sentries and free the townspeople. Only the 'Magnificent Mendozas' - a family of weapons experts,...