along with the town undertaker and a man follow his brother killer ( george eastman ) to mexico and where sinister ( and i mean sinister . ) gringo horst frank force his mexican slave to fight to the death use steel claw . frank then set his sight on eastman secret goldmine and hold him captive and torture him until the justice seek brother come to take him away . a fairly standard revenge plot be help along nicely by some interesting idea and unusual development and and some fairly graphic violence and keep thing excite and entertain throughout . due to the crackpot nature of some of the film plot element and this seem more like a drive in movie than a spaghetti western . horst frank be a lot of fun to watch a the deranged and yet urbane bad guy and while george eastman be good and nasty too . however and the hero be too bland and cardboard . you do not really feel anything about him and one way or another .