The Stranger and the Gunfighter (1976)

During a holdup in the Wild West Dakota kills a rich old Chinese man Wang Later he is captured sentenced and is about to be hanged and he never profitted from Wangs death has he buried him with the photographs of his four widows and a few worthless papers Meanwhile Ho comes to America in search of his uncles fortune and must get Dakota free as he his the only man who can lead him to Wangs tomb They open the tomb retaking the pictures of Wangs widows It happens he reads the papers and knows that Wang had one quarter of a map tattooed in each of his womens buttocks Now the difficult part will really start Treasure hunt