In 1878 in the south west of the USA, Ben Nicholson is the richest rancher of the area. A tough man who strikes a hard bargain, he has been outwitted by his second wife Katherine, a flirtatious intriguer. Of his two sons from the previous marriage, Frank is gay and the unfortunate David is a half-wit. There is a third son in the house however, born from the black cook Marpessa, who acts as butler: this is Whity.