Lawrence Grey is called El Diablo - the devil - and no jail can hold him. Some swear that he is the fastest gun alive. Both sheriffs and outlaws get out of his way when he comes to town. But everyone has Grey pegged as a goner when he agrees to ride to Mexico to track down Johnny Ray, a man who has been missing for fifteen years. Ray is now the heir to a large fortune - but there's a reward of $50,000 for Grey, dead or alive. Three men have already disappeared while looking for Johnny Ray. But El Diablo knows no fear and fears no enemy. He rides on...