Doc Saxon and his gang rob the Crown City bank but are double-crossed by Carrasco, a Mexican bandit, who steals the gold and leaves Doc and Donovan with nothing.
During the Japanese occupation of Shanghai, Chen Zhen, the star pupil of a recently-deceased martial arts teacher battles a Japanese dojo which seeks the demise of his fighting school.
Young adventurer Gipo owns one fifth of a rock illustrating the location of a rich gold mine. Risking his life more than once and with the help of the beautiful hooker, Lulu Belle, our hero sets out to recover the missing pieces.
This Spanish-Italian co-production tells the story of a man who feels deep guilt for the death of his wife: he, an alcoholic, is convinced that he accidentally caused her fatal fall in their house while he was drunk.